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78053868

10.1007/jhep04(2013)162

We introduce a “renormalized entanglement entropy” which is intrinsically UV finite and is most sensitive to the degrees of freedom at the scale of the size R of the entangled region. We illustrated the power of this construction by showing that the qualitative behavior of the entanglement entropy for a non-Fermi liquid can be obtained by simple dimensional analysis. We argue that the functional dependence of the “renormalized entanglement entropy” on R can be interpreted as describing the renormalization group flow of the entanglement entropy with distance scale. The corresponding quantity for a spherical region in the vacuum, has some particularly interesting properties. For a conformal field theory, it reduces to the previously proposed central charge in all dimensions, and for a general quantum field theory, it interpolates between the central charges of the UV and IR fixed points as R is varied from zero to infinity. We conjecture that in three (spacetime) dimensions, it is always non-negative and monotonic, and provides a measure of the number of degrees of freedom of a system at scale R. In four dimensions, however, we find examples in which it is neither monotonic nor non-negative.United States. Dept. of Energy (Cooperative Research Agreement DE-FG0205ER41360

A refinement of entanglement entropy and the number of degrees of freedom

a refinement of entanglement entropy and the number of degrees of freedom

“renormalized entanglement entropy” intrinsically freedom entangled region. illustrated qualitative entanglement fermi analysis. argue “renormalized entanglement entropy” interpreted describing renormalization entanglement scale. quantity spherical properties. conformal reduces interpolates charges varied infinity. conjecture spacetime monotonic freedom neither monotonic negative.united states. dept. cooperative

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78053749

10.1007/jhep04(2014)013

We introduce a new class of event shapes to characterize the jet-like structure of an event. Like traditional event shapes, our observables are infrared/collinear safe and involve a sum over all hadrons in an event, but like a jet clustering algorithm, they incorporate a jet radius parameter and a transverse momentum cut. Three of the ubiquitous jet-based observables - jet multiplicity, summed scalar transverse momentum, and missing transverse momentum - have event shape counterparts that are closely correlated with their jet-based cousins. Due to their “local” computational structure, these jet-like event shapes could potentially be used for trigger-level event selection at the LHC. Intriguingly, the jet multiplicity event shape typically takes on non-integer values, highlighting the inherent ambiguity in defining jets. By inverting jet multiplicity, we show how to characterize the transverse momentum of the n-th hardest jet without actually finding the constituents of that jet. Since many physics applications do require knowledge about the jet constituents, we also build a hybrid event shape that incorporates (local) jet clustering information. As a straightforward application of our general technique, we derive an event-shape version of jet trimming, allowing event-wide jet grooming without explicit jet identification. Finally, we briefly mention possible applications of our method for jet substructure studies.Alfred P. Sloan Foundation (Sloan Research Fellowship)United States. Dept. of Energy (DOE Early Career research program DE-FG02-11ER-41741)Istituto nazionale di fisica nucleare (INFN) (Bruno Rossi Fellowship)U.S. LHC Theory Initiative (Graduate Fellowship)United States. Dept. of Energy (cooperative research agreement DE-FG02-05ER-41360

Jet observables without jet algorithms

jet observables without jet algorithms

shapes characterize event. traditional shapes observables infrared collinear safe involve hadrons clustering incorporate cut. ubiquitous observables multiplicity summed missing counterparts closely cousins. “local” shapes potentially trigger lhc. intriguingly multiplicity integer highlighting inherent ambiguity defining jets. inverting multiplicity characterize hardest constituents jet. constituents build hybrid incorporates clustering information. straightforward derive trimming allowing grooming identification. briefly mention substructure studies.alfred sloan foundation sloan fellowship states. dept. career istituto nazionale fisica nucleare infn bruno rossi fellowship u.s. initiative graduate fellowship states. dept. cooperative

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78053756

10.1007/jhep04(2014)017

Broadening is a classic jet observable that probes the transverse momentum structure of jets. Traditionally, broadening has been measured with respect to the thrust axis, which is aligned along the (hemisphere) jet momentum to minimize the vector sum of transverse momentum within a jet. In this paper, we advocate measuring broadening with respect to the “broadening axis”, which is the direction that minimizes the scalar sum of transverse momentum within a jet. This approach eliminates many of the calculational complexities arising from recoil of the leading parton, and observables like the jet angularities become recoil-free when measured using the broadening axis. We derive a simple factorization theorem for broadening-axis observables which smoothly interpolates between the thrust-like and broadening-like regimes. We argue that the same factorization theorem holds for two-point energy correlation functions as well as for jet shapes based on a “winner-take-all axis”. Using kinked broadening axes, we calculate event-wide angularities in e + e − collisions with next-to-leading logarithmic resummation. Defining jet regions using the broadening axis, we also calculate the global logarithms for angularities within a single jet. We find good agreement comparing our calculations both to showering Monte Carlo programs and to automated resummation tools. We give a brief historical perspective on the broadening axis and suggest ways that broadening-axis observables could be used in future jet substructure studies at the Large Hadron Collide

Jet shapes with the broadening axis

jet shapes with the broadening axis

broadening classic observable probes jets. traditionally broadening thrust aligned hemisphere minimize jet. advocate measuring broadening “broadening axis” minimizes jet. eliminates calculational complexities arising recoil parton observables angularities recoil broadening axis. derive factorization broadening observables smoothly interpolates thrust broadening regimes. argue factorization shapes “winner axis”. kinked broadening axes angularities collisions logarithmic resummation. defining broadening logarithms angularities jet. showering monte carlo programs automated resummation tools. brief historical perspective broadening ways broadening observables substructure hadron collide

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78053751

10.1007/jhep04(2014)103

The production of Y (1S), Y (2S), and Y (3S) is investigated in pPb and pp collisions at centre-of-mass energies per nucleon pair of 5.02 TeV and 2.76 TeV, respectively. The datasets correspond to integrated luminosities of about 31 nb−1 (pPb) and 5.4 pb−1 (pp), collected in 2013 by the CMS experiment at the LHC. Upsilons that decay into muons are reconstructed within the rapidity interval |y CM| < 1.93 in the nucleon-nucleon centre-of-mass frame. Their production is studied as a function of two measures of event activity, namely the charged-particle multiplicity measured in the pseudorapidity interval |η| < 2.4, and the sum of transverse energy deposited at forward pseudorapidity, 4.0 < |η| < 5.2. The Y cross sections normalized by their event activity integrated values, Y (nS)/〈 Y (nS)〉, are found to rise with both measures of the event activity in pp and pPb. In both collision systems, the ratios of the excited to the ground state cross sections, Y (nS)/ Y (1S), are found to decrease with the charged-particle multiplicity, while as a function of the transverse energy the variation is less pronounced. The event activity integrated double ratios, [ Y (nS)/ Y (1S)]pPb /[ Y (nS)/ Y (1S)]pp, are also measured and found to be 0.83 ± 0.05 (stat.) ± 0.05 (syst.) and 0.71 ± 0.08 (stat.) ± 0.09 (syst.) for Y (2S) and Y (3S), respectively.United States. Dept. of EnergyNational Science Foundation (U.S.

Event activity dependence of Υ(nS) production in √sNN = 5.02 TeV pPb and √s = 2.76 TeV pp collisions

event activity dependence of υ(ns) production in √snn = 5.02 tev ppb and √s = 2.76 tev pp collisions

collisions nucleon respectively. datasets luminosities lhc. upsilons muons reconstructed rapidity nucleon nucleon frame. multiplicity pseudorapidity deposited pseudorapidity ppb. collision excited multiplicity pronounced. stat. syst. stat. syst. respectively.united states. dept. energynational foundation u.s.

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78062387

10.1007/jhep04(2015)027

We establish the existence of stable and metastable stationary black hole bound states at finite temperature and chemical potentials in global and planar four-dimensional asymptotically anti-de Sitter space. We determine a number of features of their holographic duals and argue they represent structural glasses. We map out their thermodynamic landscape in the probe approximation, and show their relaxation dynamics exhibits logarithmic aging, with aging rates determined by the distribution of barriers.United States. Dept. of Energy (Grant DE-FG02-91ER40654)National Science Foundation (U.S.) (Grant 0756174)Templeton Foundation (Grant)National Science Foundation (U.S.) (Grant PHYS-1066293

Holographic vitrification

holographic vitrification

establish metastable stationary potentials planar asymptotically sitter space. holographic duals argue glasses. thermodynamic landscape relaxation exhibits logarithmic aging aging barriers.united states. dept. foundation u.s. templeton foundation foundation u.s.

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78062395

10.1007/jhep04(2015)050

We construct exceptional field theory for the duality group SL(3) × SL(2). The theory is defined on a space with 8 ‘external’ coordinates and 6 ‘internal’ coordinates in the (3, 2) fundamental representation, leading to a 14-dimensional generalized spacetime. The bosonic theory is uniquely determined by gauge invariance under generalized external and internal diffeomorphisms. The latter invariance can be made manifest by introducing higher form gauge fields and a so-called tensor hierarchy, which we systematically develop to much higher degree than in previous studies. To this end we introduce a novel Cartan-like tensor calculus based on a covariant nil-potent differential, generalizing the exterior derivative of conventional differential geometry. The theory encodes the full D = 11 or type IIB supergravity, respectively.United States. Dept. of Energy (Cooperative Research Agreement DE-FG02-05ER41360)German Science Foundation (Heisenberg Fellowship

Tensor hierarchy and generalized Cartan calculus in SL(3) × SL(2) exceptional field theory

tensor hierarchy and generalized cartan calculus in sl(3) × sl(2) exceptional field theory

exceptional duality ‘external’ ‘internal’ spacetime. bosonic uniquely invariance diffeomorphisms. invariance manifest introducing hierarchy systematically studies. cartan calculus covariant potent generalizing exterior geometry. encodes supergravity respectively.united states. dept. cooperative german foundation heisenberg fellowship

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33381692

10.1007/jhep04(2015)124

Citation: Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., . . . Collaboration, C. M. S. (2015). Search for physics beyond the standard model in events with two leptons, jets, and missing transverse momentum in pp collisions at root s=8 TeV. Journal of High Energy Physics(4), 41. doi:10.1007/jhep04(2015)124A search is presented for physics beyond the standard model in final states with two opposite-sign same-flavor leptons, jets, and missing transverse momentum. The data sample corresponds to an integrated luminosity of 19.4 fb(-1) of proton-proton collisions at root s = 8TeV collected with the CMS detector at the CERN LHC in 2012. The analysis focuses on searches for a kinematic edge in the invariant mass distribution of the opposite-sign same-flavor lepton pair and for final states with an on-shell Z boson. The observations are consistent with expectations from standard model processes and are interpreted in terms of upper limits on the production of supersymmetric particles.Additional Authors: Knunz, V.;Krammer, M.;Kratschmer, I.;Liko, D.;Mikulec, I.;Rabady, D.;Rahbaran, B.;Rohringer, H.;Schofbeck, R.;Strauss, J.;Treberer-Treberspurg, W.;Waltenberger, W.;Wulz, C. E.;Mossolov, V.;Shumeiko, N.;Gonzalez, J. S.;Alderweireldt, S.;Bansal, S.;Cornelis, T.;De Wolf, E. A.;Janssen, X.;Knutsson, A.;Lauwers, J.;Luyckx, S.;Ochesanu, S.;Rougny, R.;De Klundert, M. V.;Van Haevermaet, H.;Van Mechelen, P.;Van Remortel, N.;Van Spilbeeck, A.;Blekman, F.;Blyweert, S.;D'Hondt, J.;Daci, N.;Heracleous, N.;Keaveney, J.;Lowette, S.;Maes, M.;Olbrechts, A.;Python, Q.;Strom, D.;Tavernier, S.;Van Doninck, W.;Van Mulders, P.;Van Onsem, G. P.;Villella, I.;Caillol, C.;Clerbaux, B.;De Lentdecker, G.;Dobur, D.;Favart, L.;Gay, A. P. R.;Grebenyuk, A.;Leonard, A.;Mohammadi, A.;Pernie, L.;Randle-conde, A.;Reis, T.;Seva, T.;Thomas, L.;Velde, C. V.;Vanlaer, P.;Wang, J.;Zenoni, F.;Adler, V.;Beernaert, K.;Benucci, L.;Cimmino, A.;Costantini, S.;Crucy, S.;Fagot, A.;Garcia, G.;McCartin, J.;Rios, A. A. O.;Poyraz, D.;Ryckbosch, D.;Diblen, S. S.;Sigamani, M.;Strobbe, N.;Thyssen, F.;Tytgat, M.;Yazgan, E.;Zaganidis, N.;Basegmez, S.;Beluffi, C.;Bruno, G.;Castello, R.;Caudron, A.;Ceard, L.;Da Silveira, G. G.;Delaere, C.;du Pree, T.;Favart, D.;Forthomme, L.;Giammanco, A.;Hollar, J.;Jafari, A.;Jez, P.;Komm, M.;Lemaitre, V.;Nuttens, C.;Pagano, D.;Perrini, L.;Pin, A.;Piotrzkowski, K.;Popov, A.;Quertenmont, L.;Selvaggi, M.;Marono, M. V.;Garcia, J. M. V.;Beliy, N.;Caebergs, T.;Daubie, E.;Hammad, G. H.;Alda, W. L.;Alves, G. A.;Brito, L.;Martins, M. C.;Martins, T. D. R.;Molina, J.;Herrera, C. M.;Pol, M. E.;Teles, P. R.;Carvalho, W.;Chinellato, J.;Custodio, A.;Da Costa, E. M.;Damiao, D. D.;Martins, C. D.;De Souza, S. F.;Malbouisson, H.;Figueiredo, D. M.;Mundim, L.;Nogima, H.;Da Silva, W. L. P.;Santaolalla, J.;Santoro, A.;Sznajder, A.;Manganote, E. J. T.;Pereira, A. V.;Bernardes, C. A.;Dogra, S.;Tomei, Trfp;Gregores, E. M.;Mercadante, P. G.;Novaes, S. F.;Padula, S. S.;Aleksandrov, A.;Genchev, V.;Hadjiiska, R.;Iaydjiev, P.;Marinov, A.;Piperov, S.;Rodozov, M.;Stoykova, S.;Sultanov, G.;Vutova, M.;Dimitrov, A.;Glushkov, I.;Litov, L.;Pavlov, B.;Petkov, P.;Bian, J. G.;Chen, G. M.;Chen, H. S.;Chen, M.;Cheng, T.;Du, R.;Jiang, C. H.;Plestina, R.;Romeo, F.;Tao, J.;Wang, Z.;Asawatangtrakuldee, C.;Ban, Y.;Liu, S.;Mao, Y.;Qian, S. J.;Wang, D.;Xu, Z.;Zhang, F.;Zhang, L.;Zou, W.;Avila, C.;Cabrera, A.;Sierra, L. F. C.;Florez, C.;Gomez, J. P.;Moreno, B. G.;Sanabria, J. C.;Godinovic, N.;Lelas, D.;Polic, D.;Puljak, I.;Antunovic, Z.;Kovac, M.;Brigljevic, V.;Kadija, K.;Luetic, J.;Mekterovic, D.;Sudic, L.;Attikis, A.;Mavromanolakis, G.;Mousa, J.;Nicolaou, C.;Ptochos, F.;Razis, P. A.;Rykaczewski, H.;Bodlak, M.;Finger, M.;Finger, M.;Assran, Y.;Kamel, A. E.;Mahmoud, M. A.;Radi, A.;Kadastik, M.;Murumaa, M.;Raidal, M.;Tiko, A.;Eerola, P.;Voutilainen, M.;Harkonen, J.;Karimaki, V.;Kinnunen, R.;Kortelainen, M. J.;Lampen, T.;Lassila-Perini, K.;Lehti, S.;Linden, T.;Luukka, P.;Maenpaa, T.;Peltola, T.;Tuominen, E.;Tuominiemi, J.;Tuovinen, E.;Wendland, L.;Talvitie, J.;Tuuva, T.;Besancon, M.;Couderc, F.;Dejardin, M.;Denegri, D.;Fabbro, B.;Faure, J. L.;Favaro, C.;Ferri, F.;Ganjour, S.;Givernaud, A.;Gras, P.;de Monchenault, G. H.;Jarry, P.;Locci, E.;Malcles, J.;Rander, J.;Rosowsky, A.;Titov, M.;Baffioni, S.;Beaudette, F.;Busson, P.;Chapon, E.;Charlot, C.;Dahms, T.;Dobrzynski, L.;Filipovic, N.;Florent, A.;de Cassagnac, R. G.;Mastrolorenzo, L.;Mine, P.;Naranjo, I. N.;Nguyen, M.;Ochando, C.;Ortona, G.;Paganini, P.;Regnard, S.;Salerno, R.;Sauvan, J. B.;Sirois, Y.;Veelken, C.;Yilmaz, Y.;Zabi, A.;Agram, J. L.;Andrea, J.;Aubin, A.;Bloch, D.;Brom, J. M.;Chabert, E. C.;Collard, C.;Conte, E.;Fontaine, J. C.;Gele, D.;Goerlach, U.;Goetzmann, C.;Le Bihan, A. C.;Skovpen, K.;Van Hove, P.;Gadrat, S.;Beauceron, S.;Beaupere, N.;Bernet, C.;Boudoul, G.;Bouvier, E.;Brochet, S.;Montoya, C. A. C.;Chasserat, J.;Chierici, R.;Contardo, D.;Courbon, B.;Depasse, P.;El Mamouni, H.;Fan, J.;Fay, J.;Gascon, S.;Gouzevitch, M.;Ille, B.;Kurca, T.;Lethuillier, M.;Mirabito, L.;Pequegnot, A. L.;Perries, S.;Alvarez, J. D. R.;Sabes, D.;Sgandurra, L.;Sordini, V.;Donckt, M. V.;Verdier, P.;Viret, S.;Xiao, H.;Tsamalaidze, Z.;Autermann, C.;Beranek, S.;Bontenackels, M.;Edelhoff, M.;Feld, L.;Heister, A.;Klein, K.;Lipinski, M.;Ostapchuk, A.;Preuten, M.;Raupach, F.;Sammet, J.;Schael, S.;Schomakers, C.;Schulte, J. F.;Sprenger, D.;Weber, H.;Wittmer, B.;Zhukov, V.;Ata, M.;Brodski, M.;Dietz-Laursonn, E.;Duchardt, D.;Erdmann, M.;Fischer, R.;Guth, A.;Hebbeker, T.;Heidemann, C.;Hoepfner, K.;Klingebiel, D.;Knutzen, S.;Kreuzer, P.;Merschmeyer, M.;Meyer, A.;Millet, P.;Olschewski, M.;Padeken, K.;Papacz, P.;Reithler, H.;Schmitz, S. A.;Sonnenschein, L.;Teyssier, D.;Thuer, S.;Cherepanov, V.;Erdogan, Y.;Flugge, G.;Geenen, H.;Geisler, M.;Ahmad, W. H.;Hoehle, F.;Kargoll, B.;Kress, T.;Kuessel, Y.;Kunsken, A.;Lingemann, J.;Nowack, A.;Nugent, I. M.;Pistone, C.;Pooth, O.;Stahl, A.;Martin, M. A.;Asin, I.;Bartosik, N.;Behr, J.;Behrens, U.;Bell, A. J.;Bethani, A.;Borras, K.;Burgmeier, A.;Cakir, A.;Calligaris, L.;Campbell, A.;Choudhury, S.;Costanza, F.;Pardos, C. D.;Dolinska, G.;Dooling, S.;Dorland, T.;Eckerlin, G.;Eckstein, D.;Eichhorn, T.;Flucke, G.;Garcia, J. G.;Geiser, A.;Gizhko, A.;Gunnellini, P.;Hauk, J.;Hempel, M.;Jung, H.;Kalogeropoulos, A.;Karacheban, O.;Kasemann, M.;Katsas, P.;Kieseler, J.;Kleinwort, C.;Korol, I.;Krucker, D.;Lange, W.;Leonard, J.;Lipka, K.;Lobanov, A.;Lohmann, W.;Lutz, B.;Mankel, R.;Marfin, I.;Melzer-Pellmann, I. A.;Meyer, A. B.;Mittag, G.;Mnich, J.;Mussgiller, A.;Naumann-Emme, S.;Nayak, A.;Ntomari, E.;Perrey, H.;Pitzl, D.;Placakyte, R.;Raspereza, A.;Cipriano, P. M. R.;Roland, B.;Ron, E.;Sahin, M. O.;Salfeld-Nebgen, J.;Saxena, P.;Schoerner-Sadenius, T.;Schroder, M.;Seitz, C.;Spannagel, S.;Trevino, Adrv;Walsh, R.;Wissing, C.;Blobel, V.;Vignali, M. C.;Draeger, A. R.;Erfle, J.;Garutti, E.;Goebel, K.;Gorner, M.;Haller, J.;Hoffmann, M.;Hoing, R. S.;Junkes, A.;Kirschenmann, H.;Klanner, R.;Kogler, R.;Lapsien, T.;Lenz, T.;Marchesini, I.;Marconi, D.;Ott, J.;Peiffer, T.;Perieanu, A.;Pietsch, N.;Poehlsen, J.;Poehlsen, T.;Rathjens, D.;Sander, C.;Schettler, H.;Schleper, P.;Schlieckau, E.;Schmidt, A.;Seidel, M.;Sola, V.;Stadie, H.;Steinbruck, G.;Troendle, D.;Usai, E.;Vanelderen, L.;Vanhoefer, A.;Barth, C.;Baus, C.;Berger, J.;Boser, C.;Butz, E.;Chwalek, T.;De Boer, W.;Descroix, A.;Dierlamm, A.;Feindt, M.;Frensch, F.;Giffels, M.;Gilbert, A.;Hartmann, F.;Hauth, T.;Husemann, U.;Katkov, I.;Kornmayer, A.;Pardo, P. L.;Mozer, M. U.;Muller, T.;Muller, T.;Nurnberg, A.;Quast, G.;Rabbertz, K.;Rocker, S.;Simonis, H. J.;Stober, F. M.;Ulrich, R.;Wagner-Kuhr, J.;Wayand, S.;Weiler, T.;Wolf, R.;Anagnostou, G.;Daskalakis, G.;Geralis, T.;Giakoumopoulou, V. A.;Kyriakis, A.;Loukas, D.;Markou, A.;Markou, C.;Psallidas, A.;Topsis-Giotis, I.;Agapitos, A.;Kesisoglou, S.;Panagiotou, A.;Saoulidou, N.;Stiliaris, E.;Tziaferi, E.;Aslanoglou, X.;Evangelou, I.;Flouris, G.;Foudas, C.;Kokkas, P.;Manthos, N.;Papadopoulos, I.;Paradas, E.;Strologas, J.;Bencze, G.;Hajdu, C.;Hidas, P.;Horvath, D.;Sikler, F.;Veszpremi, V.;Vesztergombi, G.;Zsigmond, A. J.;Beni, N.;Czellar, S.;Karancsi, J.;Molnar, J.;Palinkas, J.;Szillasi, Z.;Makovec, A.;Raics, P.;Trocsanyi, Z. L.;Ujvari, B.;Swain, S. K.;Beri, S. B.;Bhatnagar, V.;Gupta, R.;Bhawandeep, U.;Kalsi, A. K.;Kaur, M.;Kumar, R.;Mittal, M.;Nishu, N.;Singh, J. B.;Kumar, A.;Kumar, A.;Ahuja, S.;Bhardwaj, A.;Choudhary, B. C.;Kumar, A.;Malhotra, S.;Naimuddin, M.;Ranjan, K.;Sharma, V.;Banerjee, S.;Bhattacharya, S.;Chatterjee, K.;Dutta, S.;Gomber, B.;Jain, S.;Jain, S.;Khurana, R.;Modak, A.;Mukherjee, S.;Roy, D.;Sarkar, S.;Sharan, M.;Abdulsalam, A.;Dutta, D.;Kumar, V.;Mohanty, A. K.;Pant, L. M.;Shukla, P.;Topkar, A.;Aziz, T.;Banerjee, S.;Bhowmik, S.;Chatterjee, R. M.;Dewanjee, R. K.;Dugad, S.;Ganguly, S.;Ghosh, S.;Guchait, M.;Gurtu, A.;Kole, G.;Kumar, S.;Maity, M.;Majumder, G.;Mazumdar, K.;Mohanty, G. B.;Parida, B.;Sudhakar, K.;Wickramage, N.;Sharma, S.;Bakhshiansohi, H.;Behnamian, H.;Etesami, S. M.;Fahim, A.;Goldouzian, R.;Khakzad, M.;Najafabadi, M. M.;Naseri, M.;Mehdiabadi, S. P.;Hosseinabadi, F. R.;Safarzadeh, B.;Zeinali, M.;Felcini, M.;Grunewald, M.;Abbrescia, M.;Calabria, C.;Chhibra, S. S.;Colaleo, A.;Creanza, D.;Cristella, L.;De Filippis, N.;De Palma, M.;Fiore, L.;Iaselli, G.;Maggi, G.;Maggi, M.;My, S.;Nuzzo, S.;Pompili, A.;Pugliese, G.;Radogna, R.;Selvaggi, G.;Sharma, A.;Silvestris, L.;Venditti, R.;Verwilligen, P.;Abbiendi, G.;Benvenuti, A. C.;Bonacorsi, D.;Braibant-Giacomelli, S.;Brigliadori, L.;Campanini, R.;Capiluppi, P.;Castro, A.;Cavallo, F. R.;Codispoti, G.;Cuffiani, M.;Dallavalle, G. M.;Fabbri, F.;Fanfani, A.;Fasanella, D.;Giacomelli, P.;Grandi, C.;Guiducci, L.;Marcellini, S.;Masetti, G.;Montanari, A.;Navarria, F. L.;Perrotta, A.;Rossi, A. M.;Rovelli, T.;Siroli, G. P.;Tosi, N.;Travaglini, R.;Albergo, S.;Cappello, G.;Chiorboli, M.;Costa, S.;Giordano, F.;Potenza, R.;Tricomi, A.;Tuve, C.;Barbagli, G.;Ciulli, V.;Civinini, C.;D'Alessandro, R.;Focardi, E.;Gallo, E.;Gonzi, S.;Gori, V.;Lenzi, P.;Meschini, M.;Paoletti, S.;Sguazzoni, G.;Tropiano, A.;Benussi, L.;Bianco, S.;Fabbri, F.;Piccolo, D.;Ferretti, R.;Ferro, F.;Lo Vetere, M.;Robutti, E.;Tosi, S.;Dinardo, M. E.;Fiorendi, S.;Gennai, S.;Gerosa, R.;Ghezzi, A.;Govoni, P.;Lucchini, M. T.;Malvezzi, S.;Manzoni, R. A.;Martelli, A.;Marzocchi, B.;Menasce, D.;Moroni, L.;Paganoni, M.;Pedrini, D.;Ragazzi, S.;Redaelli, N.;de Fatis, T. T.;Buontempo, S.;Cavallo, N.;Di Guida, S.;Fabozzi, F.;Iorio, A. O. M.;Lista, L.;Meola, S.;Merola, M.;Paolucci, P.;Azzi, P.;Bacchetta, N.;Bisello, D.;Carlin, R.;Checchia, P.;Dall'Osso, M.;Dorigo, T.;Dosselli, U.;Fanzago, F.;Gasparini, F.;Gasparini, U.;Gonella, F.;Gozzelino, A.;Lacaprara, S.;Margoni, M.;Meneguzzo, A. T.;Pazzini, J.;Pozzobon, N.;Ronchese, P.;Simonetto, F.;Torassa, E.;Tosi, M.;Zotto, P.;Zucchetta, A.;Zumerle, G.;Gabusi, M.;Ratti, S. P.;Re, V.;Riccardi, C.;Salvini, P.;Vitulo, P.;Biasini, M.;Bilei, G. M.;Ciangottini, D.;Fano, L.;Lariccia, P.;Mantovani, G.;Menichelli, M.;Saha, A.;Santocchia, A.;Spiezia, A.;Androsov, K.;Azzurri, P.;Bagliesi, G.;Bernardini, J.;Boccali, T.;Broccolo, G.;Castaldi, R.;Ciocci, M. A.;Dell'Orso, R.;Donato, S.;Fedi, G.;Fiori, F.;Foa, L.;Giassi, A.;Grippo, M. T.;Ligabue, F.;Lomtadze, T.;Martini, L.;Messineo, A.;Moon, C. S.;Palla, F.;Rizzi, A.;Savoy-Navarro, A.;Serban, A. T.;Spagnolo, P.;Squillacioti, P.;Tenchini, R.;Tonelli, G.;Venturi, A.;Verdini, P. G.;Vernieri, C.;Barone, L.;Cavallari, F.;D'Imperio, G.;Del Re, D.;Diemoz, M.;Jorda, C.;Longo, E.;Margaroli, F.;Meridiani, P.;Micheli, F.;Organtini, G.;Paramatti, R.;Rahatlou, S.;Rovelli, C.;Santanastasio, F.;Soffi, L.;Traczyk, P.;Amapane, N.;Arcidiacono, R.;Argiro, S.;Arneodo, M.;Bellan, R.;Biino, C.;Cartiglia, N.;Casasso, S.;Costa, M.;Covarelli, R.;Degano, A.;Demaria, N.;Finco, L.;Mariotti, C.;Maselli, S.;Migliore, E.;Monaco, V.;Musich, M.;Obertino, M. M.;Pacher, L.;Pastrone, N.;Pelliccioni, M.;Angioni, G. L. P.;Potenza, A.;Romero, A.;Ruspa, M.;Sacchi, R.;Solano, A.;Staiano, A.;Tamponi, U.;Belforte, S.;Candelise, V.;Casarsa, M.;Cossutti, F.;Della Ricca, G.;Gobbo, B.;La Licata, C.;Marone, M.;Schizzi, A.;Umer, T.;Zanetti, A.;Chang, S.;Kropivnitskaya, A.;Nam, S. K.;Kim, D. H.;Kim, G. N.;Kim, M. S.;Kong, D. J.;Lee, S.;Oh, Y. D.;Park, H.;Sakharov, A.;Son, D. C.;Kim, T. J.;Ryu, M. S.;Kim, J. Y.;Moon, D. H.;Song, S.;Choi, S.;Gyun, D.;Hong, B.;Jo, M.;Kim, H.;Kim, Y.;Lee, B.;Lee, K. S.;Park, S. K.;Roh, Y.;Yoo, H. D.;Choi, M.;Kim, J. H.;Park, I. C.;Ryu, G.;Choi, Y.;Choi, Y. K.;Goh, J.;Kim, D.;Kwon, E.;Lee, J.;Yu, I.;Juodagalvis, A.;Komaragiri, J. R.;Ali, Mabm;Abdullah, Watw;Linares, E. C.;Castilla-Valdez, H.;De La Cruz-Burelo, E.;Heredia-de La Cruz, I.;Hernandez-Almada, A.;Lopez-Fernandez, R.;Sanchez-Hernandez, A.;Moreno, S. C.;Valencia, F. V.;Pedraza, I.;Ibarguen, H. A. S.;Pineda, A. M.;Krofcheck, D.;Butler, P. H.;Reucroft, S.;Ahmad, A.;Ahmad, M.;Hassan, Q.;Hoorani, H. R.;Khan, W. A.;Khurshid, T.;Shoaib, M.;Bialkowska, H.;Bluj, M.;Boimska, B.;Frueboes, T.;Gorski, M.;Kazana, M.;Nawrocki, K.;Romanowska-Rybinska, K.;Szleper, M.;Zalewski, P.;Brona, G.;Bunkowski, K.;Cwiok, M.;Dominik, W.;Doroba, K.;Kalinowski, A.;Konecki, M.;Krolikowski, J.;Misiura, M.;Olszewski, M.;Bargassa, P.;Silva, Cbde;Faccioli, P.;Parracho, P. G. F.;Gallinaro, M.;Iglesias, L. L.;Nguyen, F.;Antunes, J. R.;Seixas, J.;Vadruccio, D.;Varela, J.;Vischia, P.;Bunin, P.;Golutvin, I.;Gorbunov, I.;Karjavin, V.;Konoplyanikov, V.;Kozlov, G.;Lanev, A.;Malakhov, A.;Matveev, V.;Moisenz, P.;Palichik, V.;Perelygin, V.;Savina, M.;Shmatov, S.;Shulha, S.;Skatchkov, N.;Smirnov, V.;Zarubin, A.;Golovtsov, V.;Ivanov, Y.;Kim, V.;Kuznetsova, E.;Levchenko, P.;Murzin, V.;Oreshkin, V.;Smirnov, I.;Sulimov, V.;Uvarov, L.;Vavilov, S.;Vorobyev, A.;Vorobyev, A.;Andreev, Y.;Dermenev, A.;Gninenko, S.;Golubev, N.;Kirsanov, M.;Krasnikov, N.;Pashenkov, A.;Tlisov, D.;Toropin, A.;Epshteyn, V.;Gavrilov, V.;Lychkovskaya, N.;Popov, V.;Pozdnyakov, I.;Safronov, G.;Semenov, S.;Spiridonov, A.;Stolin, V.;Vlasov, E.;Zhokin, A.;Andreev, V.;Azarkin, M.;Dremin, I.;Kirakosyan, M.;Leonidov, A.;Mesyats, G.;Rusakov, S. V.;Vinogradov, A.;Belyaev, A.;Boos, E.;Dubinin, M.;Dudko, L.;Ershov, A.;Gribushin, A.;Klyukhin, V.;Kodolova, O.;Lokhtin, I.;Obraztsov, S.;Petrushanko, S.;Savrin, V.;Snigirev, A.;Azhgirey, I.;Bayshev, I.;Bitioukov, S.;Kachanov, V.;Kalinin, A.;Konstantinov, D.;Krychkine, V.;Petrov, V.;Ryutin, R.;Sobol, A.;Tourtchanovitch, L.;Troshin, S.;Tyurin, N.;Uzunian, A.;Volkov, A.;Adzic, P.;Ekmedzic, M.;Milosevic, J.;Rekovic, V.;Maestre, J. A.;Battilana, C.;Calvo, E.;Cerrada, M.;Llatas, M. C.;Colino, N.;De la Cruz, B.;Peris, A. D.;Vazquez, D. D.;Del Valle, A. E.;Bedoya, C. F.;Ramos, J. P. F.;Flix, J.;Fouz, M. C.;Garcia-Abia, P.;Lopez, O. G.;Lopez, S. G.;Hernandez, J. M.;Josa, M. I.;De Martino, E. N.;Yzquierdo, A. P. C.;Pelayo, J. P.;Olmeda, A. Q.;Redondo, I.;Romero, L.;Soares, M. S.;Albajar, C.;de Troconiz, J. F.;Missiroli, M.;Moran, D.;Brun, H.;Cuevas, J.;Menendez, J. F.;Folgueras, S.;Caballero, I. G.;Cifuentes, J. A. B.;Cabrillo, I. J.;Calderon, A.;Campderros, J. D.;Fernandez, M.;Gomez, G.;Graziano, A.;Virto, A. L.;Marco, J.;Marco, R.;Rivero, C. M.;Matorras, F.;Sanchez, F. J. M.;Gomez, J. P.;Rodrigo, T.;Rodriguez-Marrero, A. Y.;Ruiz-Jimeno, A.;Scodellaro, L.;Vila, I.;Cortabitarte, R. V.;Abbaneo, D.;Auffray, E.;Auzinger, G.;Bachtis, M.;Baillon, P.;Ball, A. H.;Barney, D.;Benaglia, A.;Bendavid, J.;Benhabib, L.;Benitez, J. F.;Bloch, P.;Bocci, A.;Bonato, A.;Bondu, O.;Botta, C.;Breuker, H.;Camporesi, T.;Cerminara, G.;Colafranceschi, S.;D'Alfonso, M.;d'Enterria, D.;Dabrowski, A.;David, A.;De Guio, F.;De Roeck, A.;De Visscher, S.;Di Marco, E.;Dobson, M.;Dordevic, M.;Dorney, B.;Dupont-Sagorin, N.;Elliott-Peisert, A.;Franzoni, G.;Funk, W.;Gigi, D.;Gill, K.;Giordano, D.;Girone, M.;Glege, F.;Guida, R.;Gundacker, S.;Guthoff, M.;Hammer, J.;Hansen, M.;Harris, P.;Hegeman, J.;Innocente, V.;Janot, P.;Kousouris, K.;Krajczar, K.;Lecoq, P.;Lourenco, C.;Magini, N.;Malgeri, L.;Mannelli, M.;Marrouche, J.;Masetti, L.;Meijers, F.;Mersi, S.;Meschi, E.;Moortgat, F.;Morovic, S.;Mulders, M.;Orfanelli, S.;Orsini, L.;Pape, L.;Perez, E.;Petrilli, A.;Petrucciani, G.;Pfeiffer, A.;Pimia, M.;Piparo, D.;Plagge, M.;Racz, A.;Rolandi, G.;Rovere, M.;Sakulin, H.;Schafer, C.;Schwick, C.;Sharma, A.;Siegrist, P.;Silva, P.;Simon, M.;Sphicas, P.;Spiga, D.;Steggemann, J.;Stieger, B.;Stoye, M.;Takahashi, Y.;Treille, D.;Tsirou, A.;Veres, G. I.;Wardle, N.;Wohri, H. K.;Wollny, H.;Zeuner, W. D.;Bertl, W.;Deiters, K.;Erdmann, W.;Horisberger, R.;Ingram, Q.;Kaestli, H. C.;Kotlinski, D.;Langenegger, U.;Renker, D.;Rohe, T.;Bachmair, F.;Bani, L.;Bianchini, L.;Buchmann, M. A.;Casal, B.;Chanon, N.;Dissertori, G.;Dittmar, M.;Donega, M.;Dunser, M.;Eller, P.;Grab, C.;Hits, D.;Hoss, J.;Kasieczka, G.;Lustermann, W.;Mangano, B.;Marini, A. C.;Marionneau, M.;del Arbol, P. M. R.;Masciovecchio, M.;Meister, D.;Mohr, N.;Musella, P.;Nageli, C.;Nessi-Tedaldi, F.;Pandolfi, F.;Pauss, F.;Perrozzi, L.;Peruzzi, M.;Quittnat, M.;Rebane, L.;Rossini, M.;Starodumov, A.;Takahashi, M.;Theofilatos, K.;Wallny, R.;Weber, H. A.;Amsler, C.;Canelli, M. F.;Chiochia, V.;De Cosa, A.;Hinzmann, A.;Hreus, T.;Kilminster, B.;Lange, C.;Ngadiuba, J.;Pinna, D.;Robmann, P.;Ronga, F. J.;Taroni, S.;Yang, Y.;Cardaci, M.;Chen, K. H.;Ferro, C.;Kuo, C. M.;Lin, W.;Lu, Y. J.;Volpe, R.;Yu, S. S.;Chang, P.;Chang, Y. H.;Chao, Y.;Chen, K. F.;Chen, P. H.;Dietz, C.;Grundler, U.;Hou, W. S.;Liu, Y. F.;Lu, R. S.;Moya, M. M.;Petrakou, E.;Tsai, J. F.;Tzeng, Y. M.;Wilken, R.;Asavapibhop, B.;Singh, G.;Srimanobhas, N.;Suwonjandee, N.;Adiguzel, A.;Bakirci, M. N.;Cerci, S.;Dozen, C.;Dumanoglu, I.;Eskut, E.;Girgis, S.;Gokbulut, G.;Guler, Y.;Gurpinar, E.;Hos, I.;Kangal, E. E.;Topaksu, A. K.;Onengut, G.;Ozdemir, K.;Ozturk, S.;Polatoz, A.;Cerci, D. S.;Tali, B.;Topakli, H.;Vergili, M.;Zorbilmez, C.;Akin, I. V.;Bilin, B.;Bilmis, S.;Gamsizkan, H.;Isildak, B.;Karapinar, G.;Ocalan, K.;Sekmen, S.;Surat, U. E.;Yalvac, M.;Zeyrek, M.;Albayrak, E. A.;Gulmez, E.;Kaya, M.;Kaya, O.;Yetkin, T.;Cankocak, K.;Vardarli, F. I.;Levchuk, L.;Sorokin, P.;Brooke, J. J.;Clement, E.;Cussans, D.;Flacher, H.;Goldstein, J.;Grimes, M.;Heath, G. P.;Heath, H. F.;Jacob, J.;Kreczko, L.;Lucas, C.;Meng, Z.;Newbold, D. M.;Paramesvaran, S.;Poll, A.;Sakuma, T.;El Nasr-storey, S. S.;Senkin, S.;Smith, V. J.;Bell, K. W.;Belyaev, A.;Brew, C.;Brown, R. M.;Cockerill, D. J. A.;Coughlan, A.;Harder, K.;Harper, S.;Olaiya, E.;Petyt, D.;Shepherd-Themistocleous, C. H.;Thea, A.;Tomalin, I. R.;Williams, T.;Womersley, W. J.;Worm, S. D.;Baber, M.;Bainbridge, R.;Buchmuller, O.;Burton, D.;Colling, D.;Cripps, N.;Dauncey, P.;Davies, G.;Della Negra, M.;Dunne, P.;Elwood, A.;Ferguson, W.;Fulcher, J.;Futyan, D.;Hall, G.;Iles, G.;Jarvis, M.;Karapostoli, G.;Kenzie, M.;Lane, R.;Lucas, R.;Lyons, L.;Magnan, A. M.;Malik, S.;Mathias, B.;Nash, J.;Nikitenko, A.;Pela, J.;Pesaresi, M.;Petridis, K.;Raymond, D. M.;Rogerson, S.;Rose, A.;Seez, C.;Sharp, P.;Tapper, A.;Acosta, M. V.;Virdee, T.;Zenz, S. C.;Cole, J. E.;Hobson, P. R.;Khan, A.;Kyberd, P.;Leggat, D.;Leslie, D.;Reid, I. D.;Symonds, P.;Teodorescu, L.;Turner, M.;Dittmann, J.;Hatakeyama, K.;Kasmi, A.;Liu, H.;Pastika, N.;Scarborough, T.;Wu, Z.;Charaf, O.;Cooper, S. I.;Henderson, C.;Rumerio, P.;Avetisyan, A.;Bose, T.;Fantasia, C.;Lawson, P.;Richardson, C.;Rohlf, J.;St John, J.;Sulak, L.;Alimena, J.;Berry, E.;Bhattacharya, S.;Christopher, G.;Cutts, D.;Demiragli, Z.;Dhingra, N.;Ferapontov, A.;Garabedian, A.;Heintz, U.;Laird, E.;Landsberg, G.;Mao, Z.;Narain, M.;Sagir, S.;Sinthuprasith, T.;Speer, T.;Swanson, J.;Breedon, R.;Breto, G.;Sanchez, M. C. D.;Chauhan, S.;Chertok, M.;Conway, J.;Conway, R.;Cox, P. T.;Erbacher, R.;Gardner, M.;Ko, W.;Lander, R.;Mulhearn, M.;Pellett, D.;Pilot, J.;Ricci-Tam, F.;Shalhout, S.;Smith, J.;Squires, M.;Stolp, D.;Tripathi, M.;Wilbur, S.;Yohay, R.;Cousins, R.;Everaerts, P.;Farrell, C.;Hauser, J.;Ignatenko, M.;Rakness, G.;Takasugi, E.;Valuev, V.;Weber, M.;Burt, K.;Clare, R.;Ellison, J.;Gary, J. W.;Hanson, G.;Heilman, J.;Rikova, M. I.;Jandir, P.;Kennedy, E.;Lacroix, F.;Long, O. R.;Luthra, A.;Malberti, M.;Negrete, M. O.;Shrinivas, A.;Sumowidagdo, S.;Wimpenny, S.;Branson, J. G.;Cerati, G. B.;Cittolin, S.;D'Agnolo, R. T.;Holzner, A.;Kelley, R.;Klein, D.;Letts, J.;Macneill, I.;Olivito, D.;Padhi, S.;Palmer, C.;Pieri, M.;Sani, M.;Sharma, V.;Simon, S.;Tadel, M.;Tu, Y.;Vartak, A.;Welke, C.;Wurthwein, F.;Yagil, A.;Della Porta, G. Z.;Barge, D.;Bradmiller-Feld, J.;Campagnari, C.;Danielson, T.;Dishaw, A.;Dutta, V.;Flowers, K.;Sevilla, M. F.;Geffert, P.;George, C.;Golf, F.;Gouskos, L.;Incandela, J.;Justus, C.;McColl, N.;Mullin, S. D.;Richman, J.;Stuart, D.;To, W.;West, C.;Yoo, J.;Apresyan, A.;Bornheim, A.;Bunn, J.;Chen, Y.;Duarte, J.;Mott, A.;Newman, H. B.;Pena, C.;Pierini, M.;Spiropulu, M.;Vlimant, J. R.;Wilkinson, R.;Xie, S.;Zhu, R. Y.;Azzolini, V.;Calamba, A.;Carlson, B.;Ferguson, T.;Iiyama, Y.;Paulini, M.;Russ, J.;Vogel, H.;Vorobiev, I.;Cumalat, J. P.;Ford, W. T.;Gaz, A.;Krohn, M.;Lopez, E. L.;Nauenberg, U.;Smith, J. G.;Stenson, K.;Wagner, S. R.;Alexander, J.;Chatterjee, A.;Chaves, J.;Chu, J.;Dittmer, S.;Eggert, N.;Mirman, N.;Kaufman, G. N.;Patterson, J. R.;Ryd, A.;Salvati, E.;Skinnari, L.;Sun, W.;Teo, W. D.;Thom, J.;Thompson, J.;Tucker, J.;Weng, Y.;Winstrom, L.;Wittich, P.;Winn, D.;Abdullin, S.;Albrow, M.;Anderson, J.;Apollinari, G.;Bauerdick, L. A. T.;Beretvas, A.;Berryhill, J.;Bhat, P. C.;Bolla, G.;Burkett, K.;Butler, J. N.;Cheung, H. W. K.;Chlebana, F.;Cihangir, S.;Elvira, V. D.;Fisk, I.;Freeman, J.;Gottschalk, E.;Gray, L.;Green, D.;Grunendahl, S.;Gutsche, O.;Hanlon, J.;Hare, D.;Harris, R. M.;Hirschauer, J.;Hooberman, B.;Jindariani, S.;Johnson, M.;Joshi, U.;Klima, B.;Kreis, B.;Kwan, S.;Linacre, J.;Lincoln, D.;Lipton, R.;Liu, T.;De Sa, R. L.;Lykken, J.;Maeshima, K.;Marraffino, J. M.;Outschoorn, V. I. M.;Maruyama, S.;Mason, D.;M

Search for physics beyond the standard model in events with two leptons, jets, and missing transverse momentum in pp collisions at root s=8 TeV

search for physics beyond the standard model in events with two leptons, jets, and missing transverse momentum in pp collisions at root s=8 tev

citation khachatryan sirunyan tumasyan adam bergauer dragicevic leptons jets missing collisions tev. jhep opposite flavor leptons jets missing momentum. luminosity proton proton collisions cern focuses searches kinematic opposite flavor lepton boson. expectations interpreted supersymmetric particles.additional knunz krammer kratschmer liko mikulec rabady rahbaran rohringer schofbeck strauss treberer treberspurg waltenberger wulz mossolov shumeiko gonzalez alderweireldt bansal cornelis wolf janssen knutsson lauwers luyckx ochesanu rougny klundert haevermaet mechelen remortel spilbeeck blekman blyweert hondt daci heracleous keaveney lowette maes olbrechts python strom tavernier doninck mulders onsem villella caillol clerbaux lentdecker dobur favart grebenyuk leonard mohammadi pernie randle conde reis seva thomas velde vanlaer zenoni adler beernaert benucci cimmino costantini crucy fagot garcia mccartin rios poyraz ryckbosch diblen sigamani strobbe thyssen tytgat yazgan zaganidis basegmez 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fischer guth hebbeker heidemann hoepfner klingebiel knutzen kreuzer merschmeyer meyer millet olschewski padeken papacz reithler schmitz sonnenschein teyssier thuer cherepanov erdogan flugge geenen geisler ahmad hoehle kargoll kress kuessel kunsken lingemann nowack nugent pistone pooth stahl martin asin bartosik behr behrens bell bethani borras burgmeier cakir calligaris campbell choudhury costanza pardos dolinska dooling dorland eckerlin eckstein eichhorn flucke garcia geiser gizhko gunnellini hauk hempel jung kalogeropoulos karacheban kasemann katsas kieseler kleinwort korol krucker lange leonard lipka lobanov lohmann lutz mankel marfin melzer pellmann meyer mittag mnich mussgiller naumann emme nayak ntomari perrey pitzl placakyte raspereza cipriano roland sahin salfeld nebgen saxena schoerner sadenius schroder seitz spannagel trevino adrv walsh wissing blobel vignali draeger erfle garutti goebel gorner haller hoffmann hoing junkes kirschenmann klanner kogler lapsien lenz marchesini marconi peiffer perieanu pietsch poehlsen poehlsen rathjens sander schettler schleper schlieckau schmidt seidel sola stadie steinbruck troendle usai vanelderen vanhoefer barth baus berger boser butz chwalek boer descroix dierlamm feindt frensch giffels gilbert hartmann hauth husemann katkov kornmayer pardo mozer muller muller nurnberg quast rabbertz rocker simonis stober ulrich wagner kuhr wayand weiler wolf anagnostou daskalakis geralis giakoumopoulou kyriakis loukas markou markou psallidas topsis giotis agapitos kesisoglou panagiotou saoulidou stiliaris tziaferi aslanoglou evangelou flouris foudas kokkas manthos papadopoulos paradas strologas bencze hajdu hidas horvath sikler veszpremi vesztergombi zsigmond beni czellar karancsi molnar palinkas szillasi makovec raics trocsanyi ujvari swain beri bhatnagar gupta bhawandeep kalsi kaur kumar mittal nishu singh kumar kumar ahuja bhardwaj choudhary kumar malhotra naimuddin ranjan sharma banerjee bhattacharya chatterjee dutta gomber jain jain khurana modak mukherjee sarkar sharan abdulsalam dutta kumar mohanty pant shukla topkar aziz banerjee bhowmik chatterjee dewanjee dugad ganguly ghosh guchait gurtu kole kumar maity majumder mazumdar mohanty parida sudhakar wickramage sharma bakhshiansohi behnamian etesami fahim goldouzian khakzad najafabadi naseri mehdiabadi hosseinabadi safarzadeh zeinali felcini grunewald abbrescia calabria chhibra colaleo creanza cristella filippis palma fiore iaselli maggi maggi nuzzo pompili pugliese radogna selvaggi sharma silvestris venditti verwilligen abbiendi benvenuti bonacorsi braibant giacomelli brigliadori campanini capiluppi castro cavallo codispoti cuffiani dallavalle fabbri fanfani fasanella giacomelli grandi guiducci marcellini masetti montanari navarria perrotta rossi rovelli siroli tosi travaglini albergo cappello chiorboli costa giordano potenza tricomi tuve barbagli ciulli civinini alessandro focardi gallo gonzi gori lenzi meschini paoletti sguazzoni tropiano benussi bianco fabbri piccolo ferretti ferro vetere robutti tosi dinardo fiorendi gennai gerosa ghezzi govoni lucchini malvezzi manzoni martelli marzocchi menasce moroni paganoni pedrini ragazzi redaelli fatis buontempo cavallo guida fabozzi iorio lista meola merola paolucci azzi bacchetta bisello carlin checchia dall osso dorigo dosselli fanzago gasparini gasparini gonella gozzelino lacaprara margoni meneguzzo pazzini pozzobon ronchese simonetto torassa tosi zotto zucchetta zumerle gabusi ratti riccardi salvini vitulo biasini bilei ciangottini fano lariccia mantovani menichelli saha santocchia spiezia androsov azzurri bagliesi bernardini boccali broccolo castaldi ciocci dell orso donato fedi fiori giassi grippo ligabue lomtadze martini messineo moon palla rizzi savoy navarro serban spagnolo squillacioti tenchini tonelli venturi verdini vernieri barone cavallari imperio diemoz jorda longo margaroli meridiani micheli organtini paramatti rahatlou rovelli santanastasio soffi traczyk amapane arcidiacono argiro arneodo bellan biino cartiglia casasso costa covarelli degano demaria finco mariotti maselli migliore monaco musich obertino pacher pastrone pelliccioni angioni potenza romero ruspa sacchi solano staiano tamponi belforte candelise casarsa cossutti della ricca gobbo licata marone schizzi umer zanetti chang kropivnitskaya kong park sakharov moon song choi gyun hong park choi park choi choi kwon juodagalvis komaragiri mabm abdullah watw linares castilla valdez cruz burelo heredia cruz hernandez almada lopez fernandez sanchez hernandez moreno valencia pedraza ibarguen pineda krofcheck butler reucroft ahmad ahmad hassan hoorani khan khurshid shoaib bialkowska bluj boimska frueboes gorski kazana nawrocki romanowska rybinska szleper zalewski brona bunkowski cwiok dominik doroba kalinowski konecki krolikowski misiura olszewski bargassa silva cbde faccioli parracho gallinaro iglesias nguyen antunes seixas vadruccio varela vischia bunin golutvin gorbunov karjavin konoplyanikov kozlov lanev malakhov matveev moisenz palichik perelygin savina shmatov shulha skatchkov smirnov zarubin golovtsov ivanov kuznetsova levchenko murzin oreshkin smirnov sulimov uvarov vavilov vorobyev vorobyev andreev dermenev gninenko golubev kirsanov krasnikov pashenkov tlisov toropin epshteyn gavrilov lychkovskaya popov pozdnyakov safronov semenov spiridonov stolin vlasov zhokin andreev azarkin dremin kirakosyan leonidov mesyats rusakov vinogradov belyaev boos dubinin dudko ershov gribushin klyukhin kodolova lokhtin obraztsov petrushanko savrin snigirev azhgirey bayshev bitioukov kachanov kalinin konstantinov krychkine petrov ryutin sobol tourtchanovitch troshin tyurin uzunian volkov adzic ekmedzic milosevic rekovic maestre battilana calvo cerrada llatas colino cruz peris vazquez valle bedoya ramos flix fouz garcia abia lopez lopez hernandez josa martino yzquierdo pelayo olmeda redondo romero soares albajar troconiz missiroli moran brun cuevas menendez folgueras caballero cifuentes cabrillo calderon campderros fernandez gomez graziano virto marco marco rivero matorras sanchez gomez rodrigo rodriguez marrero ruiz jimeno scodellaro vila cortabitarte abbaneo auffray auzinger bachtis baillon ball barney benaglia bendavid benhabib benitez bloch bocci bonato bondu botta breuker camporesi cerminara colafranceschi alfonso enterria dabrowski david guio roeck visscher marco dobson dordevic dorney dupont sagorin elliott peisert franzoni funk gigi gill giordano girone glege guida gundacker guthoff hammer hansen harris hegeman innocente janot kousouris krajczar lecoq lourenco magini malgeri mannelli marrouche masetti meijers mersi meschi moortgat morovic mulders orfanelli orsini pape perez petrilli petrucciani pfeiffer pimia piparo plagge racz rolandi rovere sakulin schafer schwick sharma siegrist silva simon sphicas spiga steggemann stieger stoye takahashi treille tsirou veres wardle wohri wollny zeuner bertl deiters erdmann horisberger ingram kaestli kotlinski langenegger renker rohe bachmair bani bianchini buchmann casal chanon dissertori dittmar donega dunser eller grab hits hoss kasieczka lustermann mangano marini marionneau arbol masciovecchio meister mohr musella nageli nessi tedaldi pandolfi pauss perrozzi peruzzi quittnat rebane rossini starodumov takahashi theofilatos wallny weber amsler canelli chiochia cosa hinzmann hreus kilminster lange ngadiuba pinna robmann ronga taroni cardaci ferro volpe chang chang chao dietz grundler moya petrakou tsai tzeng wilken asavapibhop singh srimanobhas suwonjandee adiguzel bakirci cerci dozen dumanoglu eskut girgis gokbulut guler gurpinar kangal topaksu onengut ozdemir ozturk polatoz cerci tali topakli vergili zorbilmez akin bilin bilmis gamsizkan isildak karapinar ocalan sekmen surat yalvac zeyrek albayrak gulmez kaya kaya yetkin cankocak vardarli levchuk sorokin brooke clement cussans flacher goldstein grimes heath heath jacob kreczko lucas meng newbold paramesvaran poll sakuma nasr storey senkin bell belyaev brew brown cockerill coughlan harder harper olaiya petyt shepherd themistocleous thea tomalin williams womersley worm baber bainbridge buchmuller burton colling cripps dauncey davies della negra dunne elwood ferguson fulcher futyan hall iles jarvis karapostoli kenzie lane lucas lyons magnan malik mathias nash nikitenko pela pesaresi petridis raymond rogerson rose seez sharp tapper acosta virdee zenz cole hobson khan kyberd leggat leslie reid symonds teodorescu turner dittmann hatakeyama kasmi pastika scarborough charaf cooper henderson rumerio avetisyan bose fantasia lawson richardson rohlf john sulak alimena berry bhattacharya christopher cutts demiragli dhingra ferapontov garabedian heintz laird landsberg narain sagir sinthuprasith speer swanson breedon breto sanchez chauhan chertok conway conway erbacher gardner lander mulhearn pellett pilot ricci shalhout squires stolp tripathi wilbur yohay cousins everaerts farrell hauser ignatenko rakness takasugi valuev weber burt clare ellison gary hanson heilman rikova jandir kennedy lacroix luthra malberti negrete shrinivas sumowidagdo wimpenny branson cerati cittolin agnolo holzner kelley klein letts macneill olivito padhi palmer pieri sani sharma simon tadel vartak welke wurthwein yagil della porta barge bradmiller feld campagnari danielson dishaw dutta flowers sevilla geffert george golf gouskos incandela justus mccoll mullin richman stuart west apresyan bornheim bunn duarte mott newman pena pierini spiropulu vlimant wilkinson azzolini calamba carlson ferguson iiyama paulini russ vogel vorobiev cumalat ford krohn lopez nauenberg stenson wagner alexander chatterjee chaves dittmer eggert mirman kaufman patterson salvati skinnari thom thompson tucker weng winstrom wittich winn abdullin albrow anderson apollinari bauerdick beretvas berryhill bhat bolla burkett butler cheung chlebana cihangir elvira fisk freeman gottschalk gray grunendahl gutsche hanlon hare harris hirschauer hooberman jindariani johnson joshi klima kreis kwan linacre lincoln lipton lykken maeshima marraffino outschoorn maruyama mason

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76177473

10.1007/jhep04(2016)023

The electroweak production and subsequent decay of single top quarks is determined by the properties of the Wtb vertex. This vertex can be described by the complex parameters of an effective Lagrangian. An analysis of angular distributions of the decay products of single top quarks produced in the t -channel constrains these parameters simultaneously. The analysis described in this paper uses 4.6 fb−1 of proton-proton collision data at s√=7 TeV collected with the ATLAS detector at the LHC. Two parameters are measured simultaneously in this analysis. The fraction f1 of decays containing transversely polarised W bosons is measured to be 0.37 ± 0.07 (stat.⊕syst.). The phase δ− between amplitudes for transversely and longitudinally polarised W bosons recoiling against left-handed b-quarks is measured to be −0.014π ± 0.036π (stat.⊕syst.). The correlation in the measurement of these parameters is 0.15. These values result in two-dimensional limits at the 95% confidence level on the ratio of the complex coupling parameters gR and VL, yielding Re[gR/VL] ∈ [−0.36, 0.10] and Im[gR/VL] ∈ [−0.17, 0.23] with a correlation of 0.11. The results are in good agreement with the predictions of the Standard Model.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; the Royal Society and Leverhulme Trust, United Kingdom

Search for anomalous couplings in the Wtb vertex from the measurement of double differential angular decay rates of single top quarks produced in the t-channel with the ATLAS detector

search for anomalous couplings in the wtb vertex from the measurement of double differential angular decay rates of single top quarks produced in the t-channel with the atlas detector

electroweak quarks vertex. lagrangian. quarks constrains simultaneously. proton proton collision atlas lhc. simultaneously analysis. decays transversely polarised bosons stat.⊕syst. amplitudes transversely longitudinally polarised bosons recoiling handed quarks stat.⊕syst. confidence yielding model.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark cnrs irfu gnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway royal leverhulme trust kingdom

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84046949

10.1007/jhep04(2017)031

We consider the soft wall model for a heuristic holographical modelling of a confining gauge theory and discuss how the introduction of a (constant) magnetic field influences the (de) confinement phase structure. We use the entanglement entropy as a diagnostic tool in terms of the length of an entangling strip geometry. Due to the anisotropy introduced by the magnetic field, we find that the results depend on the orientation of the strip relative to the field. This allows to identify a richer, anisotropic, interplay between confinement and a magnetic field than possibly can be extracted from a more standard order parameter as, for example, the Polyakov loop expectation value

Confining gauge theories and holographic entanglement entropy with a magnetic field

confining gauge theories and holographic entanglement entropy with a magnetic field

heuristic holographical confining influences confinement structure. entanglement diagnostic entangling strip geometry. anisotropy strip field. richer anisotropic interplay confinement possibly polyakov expectation

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143977307

10.1007/jhep04(2017)086

A measurement of the t-channel single-top-quark and single-top-antiquark production cross-sections in the lepton+jets channel is presented, using 3.2 fb−1 of proton-proton collision data at a centre-of-mass energy of 13 TeV, recorded with the ATLAS detector at the LHC in 2015. Events are selected by requiring one charged lepton (electron or muon), missing transverse momentum, and two jets with high transverse momentum, exactly one of which is required to be b-tagged. Using a binned maximum-likelihood fit to the discriminant distribution of a neural network, the cross-sections are determined to be σ(tq) = 156 ± 5 (stat.) ± 27 (syst.) ± 3 (lumi.) pb for single top-quark production and σ(t¯q)=91±4 (stat.) ± 18 (syst.) ± 2 (lumi.) pb for single top-antiquark production, assuming a top-quark mass of 172.5 GeV. The cross-section ratio is measured to be Rt=σ(tq)/σ(t¯q)=1.72±0.09 (stat.) ± 0.18 (syst.). All results are in agreement with Standard Model predictions.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, ERDF, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EUESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN, the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (U.K.) and BNL (U.S.A.), the Tier- 2 facilities worldwide and large non-WLCG resource providers. Major contributors of cinfo:eu-repo/semantics/publishedVersio

Measurement of the inclusive cross-sections of single top-quark and top-antiquark t-channel production in pp collisions at s√=13 TeV with the ATLAS detector

measurement of the inclusive cross-sections of single top-quark and top-antiquark t-channel production in pp collisions at s√=13 tev with the atlas detector

antiquark lepton jets proton proton collision atlas requiring lepton muon missing jets tagged. binned likelihood discriminant stat. syst. lumi. stat. syst. lumi. antiquark gev. stat. syst. predictions.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu gnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet erdf horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed euesf greek nsrf minerva israel norway cerca programme generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom. crucial wlcg partners acknowledged gratefully cern atlas tier facilities triumf canada ndgf denmark norway sweden gridka infn cnaf netherlands spain asgc taiwan u.k. u.s.a. tier facilities worldwide wlcg resource providers. contributors cinfo repo semantics publishedversio

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143977308

10.1007/jhep04(2017)124

To probe the W tb vertex structure, top-quark and W -boson polarisation observables are measured from t-channel single-top-quark events produced in proton-proton collisions at a centre-of-mass energy of 8 TeV. The dataset corresponds to an integrated luminosity of 20.2 fb−1, recorded with the ATLAS detector at the LHC. Selected events contain one isolated electron or muon, large missing transverse momentum and exactly two jets, with one of them identified as likely to contain a b-hadron. Stringent selection requirements are applied to discriminate t-channel single-top-quark events from background. The polarisation observables are extracted from asymmetries in angular distributions measured with respect to spin quantisation axes appropriately chosen for the top quark and the W boson. The asymmetry measurements are performed at parton level by correcting the observed angular distributions for detector effects and hadronisation after subtracting the background contributions. The measured top-quark and W -boson polarisation values are in agreement with the Standard Model predictions. Limits on the imaginary part of the anomalous coupling gR are also set from model-independent measurements.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; SRNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, ERDF, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom.The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN, the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK) and BNL (USA), the Tier-2 facilities worldwide and large non-WLCG resource providers. Major contributors of computing resoinfo:eu-repo/semantics/publishedVersio

Probing the W tb vertex structure in t-channel single-top-quark production and decay in pp collisions at s√=8 TeV with the ATLAS detector

probing the w tb vertex structure in t-channel single-top-quark production and decay in pp collisions at s√=8 tev with the atlas detector

boson polarisation observables proton proton collisions tev. dataset luminosity atlas lhc. muon missing jets hadron. stringent discriminate background. polarisation observables asymmetries quantisation axes appropriately boson. asymmetry parton correcting hadronisation subtracting contributions. boson polarisation predictions. imaginary anomalous measurements.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu srnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet erdf horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway cerca programme generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom.the crucial wlcg partners acknowledged gratefully cern atlas tier facilities triumf canada ndgf denmark norway sweden gridka infn cnaf netherlands spain asgc taiwan tier facilities worldwide wlcg resource providers. contributors resoinfo repo semantics publishedversio

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143976809

10.1007/jhep05(2012)059

A measurement is reported of the production cross section of top-quark pairs (tt¯) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. Candidate events have a signature consistent with containing two isolated leptons, large missing transverse momentum, and at least two jets. Using a data sample corresponding to an integrated luminosity of 0.70 fb−1, a tt¯ production cross section σtt¯=176±5(stat.)+14−11(syst.)±8(lum.) pb is measured for an assumed top-quark mass of mt = 172.5 GeV. This measurement is in good agreement with Standard Model predictions.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET and ERC, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.info:eu-repo/semantics/publishedVersio

Measurement of the cross section for top-quark pair production in pp collisions at root s=7 TeV with the ATLAS detector using final states with two high-p(T) leptons

measurement of the cross section for top-quark pair production in pp collisions at root s=7 tev with the atlas detector using final states with two high-p(t) leptons

proton proton collisions atlas lhc. candidate signature leptons missing jets. luminosity σtt¯ stat. syst. lum. gev. predictions.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet union cnrs irfu gnas georgia bmbf foundation gsrt greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mvzt slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america.info repo semantics publishedversio

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10128395

10.1007/jhep05(2012)126

Double field theory provides T-duality covariant generalized tensors that are natural extensions of the scalar and Ricci curvatures of Riemannian geometry. We search for a similar extension of the Riemann curvature tensor by developing a geometry based on the generalized metric and the dilaton. We find a duality covariant Riemann tensor whose contractions give the Ricci and scalar curvatures, but that is not fully determined in terms of the physical fields. This suggests that α′ corrections to the effective action require α′ corrections to T-duality transformations and/or generalized diffeomorphisms. Further evidence to this effect is found by an additional computation that shows that there is no T-duality invariant four-derivative object built from the generalized metric and the dilaton that reduces to the square of the Riemann tensor.United States. Dept. of Energy (Cooperative Research Agreement DE-FG02-05ER-41360

On the Riemann tensor in double field theory

on the riemann tensor in double field theory

duality covariant tensors extensions ricci curvatures riemannian geometry. riemann curvature dilaton. duality covariant riemann contractions ricci curvatures fields. duality transformations diffeomorphisms. duality built dilaton reduces riemann tensor.united states. dept. cooperative

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143976810

10.1007/jhep05(2012)128

Recent studies have highlighted the potential of jet substructure techniques to identify the hadronic decays of boosted heavy particles. These studies all rely upon the assumption that the internal substructure of jets generated by QCD radiation is well understood. In this article, this assumption is tested on an inclusive sample of jets recorded with the ATLAS detector in 2010, which corresponds to 35 pb−1 of pp collisions delivered by the LHC at s√=7TeV. In a subsample of events with single pp collisions, measurements corrected for detector efficiency and resolution are presented with full systematic uncertainties. Jet invariant mass, kt splitting scales and N-subjettiness variables are presented for anti-ktR = 1.0 jets and Cambridge-Aachen R = 1.2 jets. Jet invariant-mass spectra for Cambridge-Aachen R = 1.2 jets after a splitting and filtering procedure are also presented. Leading-order parton-shower Monte Carlo predictions for these variables are found to be broadly in agreement with data. The dependence of mean jet mass on additional pp interactions is also explored.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; ARTEMIS and ERC, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.info:eu-repo/semantics/publishedVersio

Jet mass and substructure of inclusive jets in root s=7 TeV pp collisions with the ATLAS experiment

jet mass and substructure of inclusive jets in root s=7 tev pp collisions with the atlas experiment

highlighted substructure hadronic decays boosted particles. rely substructure jets understood. inclusive jets atlas collisions delivered tev. subsample collisions corrected uncertainties. splitting subjettiness jets aachen jets. aachen jets splitting filtering presented. parton shower monte carlo broadly data. explored.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark artemis union cnrs irfu gnas georgia bmbf foundation gsrt greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mvzt slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america.info repo semantics publishedversio

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143976808

10.1007/jhep05(2012)157

We present a measurement of two-particle angular correlations in proton- proton collisions at s√=900 GeV and 7 TeV. The collision events were collected during 2009 and 2010 with the ATLAS detector at the Large Hadron Collider using a single-arm minimum bias trigger. Correlations are measured for charged particles produced in the kinematic range of transverse momentum pT > 100 MeV and pseudorapidity |η| < 2.5. A complex structure in pseudorapidity and azimuth is observed at both collision energies. Results are compared to pythia 8 and herwig++ as well as to the AMBT2B, DW and Perugia 2011 tunes of pythia 6. The data are not satisfactorily described by any of these models.We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET and ERC, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.info:eu-repo/semantics/publishedVersio

Measurement of inclusive two-particle angular correlations in pp collisions with the ATLAS detector at the LHC

measurement of inclusive two-particle angular correlations in pp collisions with the atlas detector at the lhc

proton proton collisions tev. collision atlas hadron collider trigger. kinematic pseudorapidity pseudorapidity azimuth collision energies. pythia herwig ambt perugia tunes pythia satisfactorily models.we cern successful staff institutions atlas operated efficiently.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet union cnrs irfu gnas georgia bmbf foundation gsrt greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mvzt slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america.info repo semantics publishedversio

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28951193

10.1007/jhep05(2013)152

New chiral boundary conditions are found for quantum gravity with matter on \(AdS_3\). The associated asymptotic symmetry group is generated by a single right-moving U(1) Kac-Moody-Virasoro algebra with \(c_R=\frac{3ℓ}{2G}\). The Kac-Moody zero mode generates global left-moving translations and equals, for a BTZ black hole, the sum of the total mass and spin. The level is positive about the global vacuum and negative in the black hole sector, corresponding to ergosphere formation. Realizations arising in Chern-Simons gravity and string theory are analyzed. The new boundary conditions are shown to naturally arise for warped \(AdS_3\) in the limit that the warp parameter is taken to zero.Physic

New Boundary Conditions for \(AdS_3\)

new boundary conditions for \(ads_3\)

chiral asymptotic moving moody virasoro frac moody generates moving translations equals spin. ergosphere formation. realizations arising chern simons analyzed. naturally arise warped warp zero.physic

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28951190

10.1007/jhep05(2013)154

Classical two-dimensional Liouville gravity is often considered in conformal gauge which has a residual left and right Virasoro symmetry algebra. We consider an alternate, chiral, gauge which has a residual right Virasoro Kac-Moody algebra, and no left Virasoro algebra. The Kac-Moody zero mode is the left-moving energy. Dirac brackets of the constrained Hamiltonian theory are derived, and the residual symmetries are shown to be generated by integrals of the conserved chiral currents. The central charge and Kac-Moody level are computed. The possible existence of a corresponding quantum theory is discussed.Physic

Chiral Liouville Gravity

chiral liouville gravity

liouville conformal residual virasoro algebra. alternate chiral residual virasoro moody virasoro algebra. moody moving energy. dirac brackets constrained residual symmetries integrals conserved chiral currents. moody computed. discussed.physic

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30847407

10.1007/jhep05(2014)007

Supersymmetric models with a small chargino-neutralino mass difference, and as a result metastable charginos, have been a popular topic of investigation in collider phenomenology. The possibility of a chargino lighter than the lightest neutralino has also been raised. Recently, the absence of any supersymmetric signal in the 8TeV LHC data has led to significant interest in the so-called Natural SUSY models with light higgsinos. These models also have a naturally small chargino-neutralino mass difference. However, we show here that when relevant indirect constraints from results at the LHC and elsewhere are applied, this possibility is heavily constrained within the Minimal Supersymmetric Standard Model (MSSM): massive metastable higgsinos are not a signature of Natural SUSY

Long lived charginos in Natural SUSY?

long lived charginos in natural susy?

supersymmetric chargino neutralino metastable charginos popular topic collider phenomenology. chargino lighter lightest neutralino raised. supersymmetric susy higgsinos. naturally chargino neutralino difference. indirect elsewhere heavily constrained supersymmetric mssm massive metastable higgsinos signature susy

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78053755

10.1007/jhep05(2014)032

We apply the technique of supersymmetric localization to exactly compute the S [superscript 5] partition function of several large N superconformal field theories in five dimensions that have AdS6 duals in massive type IIA supergravity. The localization computations are performed in the non-renormalizable effective field theories obtained through relevant deformations of the UV superconformal field theories. We compare the S [superscript 5] free energy to a holographic computation of entanglement entropy in the AdS6 duals and find perfect agreement. In particular, we reproduce the N [superscript 5/2] scaling of the S [superscript 5] free energy that was expected from supergravity.United States. Dept. of Energy (cooperative research agreement Contract Number DE-FG02-05ER41360)Massachusetts Institute of Technology (Pappalardo Fellowship in Physics)National Science Foundation (U.S.) (Grant No. 1066293)Harvard University (Fundamental Laws Initiative Fund

Exact results for five-dimensional superconformal field theories with gravity duals

exact results for five-dimensional superconformal field theories with gravity duals

supersymmetric localization superscript partition superconformal duals massive supergravity. localization computations renormalizable deformations superconformal theories. superscript holographic entanglement duals perfect agreement. reproduce superscript superscript supergravity.united states. dept. cooperative contract massachusetts pappalardo fellowship foundation u.s. harvard laws initiative fund

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78054696

10.1007/jhep05(2014)059

Double-differential dijet cross-sections measured in pp collisions at the LHC with a 7 TeV centre-of-mass energy are presented as functions of dijet mass and half the rapidity separation of the two highest-p [subscript T] jets. These measurements are obtained using data corresponding to an integrated luminosity of 4.5 fb[superscript −1], recorded by the ATLAS detector in 2011. The data are corrected for detector effects so that cross-sections are presented at the particle level. Cross-sections are measured up to 5 TeV dijet mass using jets reconstructed with the anti-k [subscript t] algorithm for values of the jet radius parameter of 0.4 and 0.6. The cross-sections are compared with next-to-leading-order perturbative QCD calculations by NLOJet++ corrected to account for non-perturbative effects. Comparisons with POWHEG predictions, using a next-to-leading-order matrix element calculation interfaced to a parton-shower Monte Carlo simulation, are also shown. Electroweak effects are accounted for in both cases. The quantitative comparison of data and theoretical predictions obtained using various parameterizations of the parton distribution functions is performed using a frequentist method. In general, good agreement with data is observed for the NLOJet++ theoretical predictions when using the CT10, NNPDF2.1 and MSTW 2008 PDF sets. Disagreement is observed when using the ABM11 and HERAPDF1.5 PDF sets for some ranges of dijet mass and half the rapidity separation. An example setting a lower limit on the compositeness scale for a model of contact interactions is presented, showing that the unfolded results can be used to constrain contributions to dijet production beyond that predicted by the Standard Model.United States. Dept. of EnergyNational Science Foundation (U.S.)Brookhaven National Laborator

Measurement of dijet cross-sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector

measurement of dijet cross-sections in pp collisions at 7 tev centre-of-mass energy using the atlas detector

dijet collisions dijet rapidity subscript jets. luminosity superscript atlas corrected level. dijet jets reconstructed subscript perturbative nlojet corrected perturbative effects. comparisons powheg interfaced parton shower monte carlo shown. electroweak accounted cases. parameterizations parton frequentist method. nlojet nnpdf mstw sets. disagreement herapdf ranges dijet rapidity separation. compositeness unfolded constrain dijet model.united states. dept. energynational foundation u.s. brookhaven laborator

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78054711

10.1007/jhep05(2014)104

A search for a standard model Higgs boson decaying into a pair of τ leptons is performed using events recorded by the CMS experiment at the LHC in 2011 and 2012. The dataset corresponds to an integrated luminosity of 4.9 fb[superscript −1] at a centre-of-mass energy of 7 TeV and 19.7 fb[superscript −1] at 8 TeV. Each τ lepton decays hadronically or leptonically to an electron or a muon, leading to six different final states for the τ -lepton pair, all considered in this analysis. An excess of events is observed over the expected background contributions, with a local significance larger than 3 standard deviations for m [subscript H] values between 115 and 130 GeV. The best fit of the observed H → τ τ signal cross section times branching fraction for m [subscript H] = 125 GeV is 0.78 ± 0.27 times the standard model expectation. These observations constitute evidence for the 125 GeV Higgs boson decaying to a pair of τ leptons.United States. Dept. of EnergyNational Science Foundation (U.S.)Alfred P. Sloan Foundatio

Evidence for the 125 GeV Higgs boson decaying to a pair of τ leptons

evidence for the 125 gev higgs boson decaying to a pair of τ leptons

boson decaying leptons dataset luminosity superscript superscript tev. lepton decays hadronically leptonically muon lepton analysis. excess deviations subscript gev. branching subscript expectation. constitute boson decaying leptons.united states. dept. energynational foundation u.s. alfred sloan foundatio

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78054710

10.1007/jhep05(2014)108

Results are presented from a search for the production of a heavy gauge boson W′ decaying into a top and a bottom quark, using a data set collected by the CMS experiment at √s = 8 TeV and corresponding to an integrated luminosity of 19.5 fb[superscript −1]. Various models of W′-boson production are studied by allowing for an arbitrary combination of left- and right-handed couplings. The analysis is based on the detection of events with a lepton (e, μ), jets, and missing transverse energy in the final state. No evidence for W′-boson production is found and 95% confidence level upper limits on the production cross section times branching fraction are obtained. For W′ bosons with purely right-handed couplings, and for those with left-handed couplings assuming no interference effects, the observed 95% confidence level limit is M(W′) > 2.05 TeV. For W′ bosons with purely left-handed couplings, including interference effects, the observed 95% confidence level limit is M(W′) > 1.84 TeV. The results presented in this paper are the most stringent limits published to date.United States. Dept. of EnergyNational Science Foundation (U.S.

Search for W′ → tb decays in the lepton + jets final state in pp collisions at √s = 8 TeV

search for w′ → tb decays in the lepton + jets final state in pp collisions at √s = 8 tev

boson decaying luminosity superscript boson allowing handed couplings. lepton jets missing state. boson confidence branching obtained. bosons purely handed couplings handed couplings interference confidence tev. bosons purely handed couplings interference confidence tev. stringent date.united states. dept. energynational foundation u.s.

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81220723

10.1007/jhep05(2015)017

Six-dimensional conformal field theories with p2, 0q supersymmetry are shown\ud to possess a protected sector of operators and observables that are isomorphic to a twodimensional\ud chiral algebra. We argue that the chiral algebra associated to a p2, 0q theory\ud labelled by the simply-laced Lie algebra g is precisely the W algebra of type g, for a specific\ud value of the central charge. Simple examples of observables that are made accessible by\ud this correspondence are the three-point functions of half-BPS operators. For the An series,\ud we compare our results at large n to those obtained using the holographic dual description\ud and find perfect agreement. We further find protected chiral algebras that appear on the\ud worldvolumes of codimension two defects in p2, 0q SCFTs. This construction has likely\ud implications for understanding the microscopic origin of the AGT correspondence

W symmetry in six dimensions.

w symmetry in six dimensions.

conformal supersymmetry possess protected observables isomorphic twodimensional chiral algebra. argue chiral labelled laced precisely charge. observables accessible correspondence operators. holographic perfect agreement. protected chiral algebras worldvolumes codimension defects scfts. microscopic correspondence

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78063406

10.1007/jhep05(2015)061

A measurement of the top-antitop (t[bar over t]) charge asymmetry is presented using data corresponding to an integrated luminosity of 4.6 fb[superscript −1] of LHC pp collisions at a centreof-mass energy of 7 TeV collected by the ATLAS detector. Events with two charged leptons, at least two jets and large missing transverse momentum are selected. Two observables are studied: A [ℓℓ over C] based on the identified charged leptons, and A[t[bar over t] over C], based on the reconstructed tt final state. The asymmetries are measured to be A[ℓℓ over C] = 0.024 ± 0.015(stat.) ± 0.009(syst.), A[t[bar over t] over C] = 0.021 ± 0.025(stat.) ± 0.017(syst.). The measured values are in agreement with the Standard Model predictions.United States. Dept. of EnergyNational Science Foundation (U.S.)Brookhaven National Laborator

Measurement of the charge asymmetry in dileptonic decays of top quark pairs in pp collisions at √s = 7 TeV using the ATLAS detector

measurement of the charge asymmetry in dileptonic decays of top quark pairs in pp collisions at √s = 7 tev using the atlas detector

antitop asymmetry luminosity superscript collisions centreof atlas detector. leptons jets missing selected. observables leptons reconstructed state. asymmetries stat. syst. stat. syst. predictions.united states. dept. energynational foundation u.s. brookhaven laborator

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33381738

10.1007/jhep05(2015)078

Citation: Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., . . . Collaboration, C. M. S. (2015). Searches for supersymmetry using the M-T2 variable in hadronic events produced in pp collisions at 8 TeV. Journal of High Energy Physics(5), 52. doi:10.1007/jhep05(2015)078Searches for supersymmetry (SUSY) are performed using a sample of hadronic events produced in 8 TeV pp collisions at the CERN LHC. The searches are based on the M-T2 variable, which is a measure of the transverse momentum imbalance in an event. The data were collected with the CMS detector and correspond to an integrated luminosity of 19.5 fb(-1). Two related searches are performed. The first is an inclusive search based on signal regions defined by the value of the M-T2 variable, the hadronic energy in the event, the jet multiplicity, and the number of jets identified as originating from bottom quarks. The second is a search for a mass peak corresponding to a Higgs boson decaying to a bottom quark-antiquark pair, where the Higgs boson is produced as a decay product of a SUSY particle. For both searches, the principal backgrounds are evaluated with data control samples. No significant excess over the expected number of background events is observed, and exclusion limits on various SUSY models are derived.Additional Authors: Knunz, V.;Krammer, M.;Kraetschmer, I.;Liko, D.;Mikulec, I.;Rabady, D.;Rahbaran, B.;Rohringer, H.;Schofbeck, R.;Strauss, J.;Treberer-Treberspurg, W.;Waltenberger, W.;Wulz, C. E.;Mossolov, V.;Shumeiko, N.;Gonzalez, J. S.;Alderweireldt, S.;Bansal, S.;Cornelis, T.;De Wolf, E. A.;Janssen, X.;Knutsson, A.;Lauwers, J.;Luyckx, S.;Ochesanu, S.;Rougny, R.;De Klundert, M. V.;Van Haevermaet, H.;Van Mechelen, P.;Van Remortel, N.;Van Spilbeeck, A.;Blekman, F.;Blyweert, S.;D'Hondt, J.;Daci, N.;Heracleous, N.;Keaveney, J.;Lowette, S.;Maes, M.;Olbrechts, A.;Python, Q.;Strom, D.;Tavernier, S.;Van Doninck, W.;Van Mulders, P.;Van Onsem, G. P.;Villella, I.;Caillol, C.;Clerbaux, B.;De Lentdecker, G.;Dobur, D.;Favart, L.;Gay, A. P. R.;Grebenyuk, A.;Leonard, A.;Mohammadi, A.;Pernie, L.;Randle-conde, A.;Reis, T.;Seva, T.;Thomas, L.;Velde, C. V.;Vanlaer, P.;Wang, J.;Zenoni, F.;Adler, V.;Beernaert, K.;Benucci, L.;Cimmino, A.;Costantini, S.;Crucy, S.;Dildick, S.;Fagot, A.;Garcia, G.;McCartin, J.;Rios, A. A. O.;Ryckbosch, D.;Diblen, S. S.;Sigamani, M.;Strobbe, N.;Thyssen, F.;Tytgat, M.;Yazgan, E.;Zaganidis, N.;Basegmez, S.;Beluffi, C.;Bruno, G.;Castello, R.;Caudron, A.;Ceard, L.;Da Silveira, G. G.;Delaere, C.;du Pree, T.;Favart, D.;Forthomme, L.;Giammanco, A.;Hollar, J.;Jafari, A.;Jez, P.;Komm, M.;Lemaitre, V.;Nuttens, C.;Perrini, L.;Pin, A.;Piotrzkowski, K.;Popov, A.;Quertenmont, L.;Selvaggi, M.;Marono, M. V.;Garcia, J. M. V.;Beliy, N.;Caebergs, T.;Daubie, E.;Hammad, G. H.;Alda, W. L.;Alves, G. A.;Brito, L.;Martins, M. C.;Martins, T. D.;Molina, J.;Herrera, C. M.;Pol, M. E.;Teles, P. R.;Carvalho, W.;Chinellato, J.;Custodio, A.;Da Costa, E. M.;Damiao, D. D.;Martins, C. D.;De Souza, S. F.;Malbouisson, H.;Figueiredo, D. M.;Mundim, L.;Nogima, H.;Da Silva, W. L. P.;Santaolalla, J.;Santoro, A.;Sznajder, A.;Manganote, E. J. T.;Pereira, A. V.;Bernardes, C. A.;Dogra, S.;Tomei, Trfp;Gregores, E. M.;Mercadante, P. G.;Novaes, S. F.;Padula, S. S.;Aleksandrov, A.;Genchev, V.;Hadjiiska, R.;Iaydjiev, P.;Marinov, A.;Piperov, S.;Rodozov, M.;Stoykova, S.;Sultanov, G.;Vutova, M.;Dimitrov, A.;Glushkov, I.;Litov, L.;Pavlov, B.;Petkov, P.;Bian, J. G.;Chen, G. M.;Chen, H. S.;Chen, M.;Cheng, T.;Du, R.;Jiang, C. H.;Plestina, R.;Romeo, F.;Tao, J.;Wang, Z.;Asawatangtrakuldee, C.;Ban, Y.;Li, Q.;Liu, S.;Mao, Y.;Qian, S. J.;Wang, D.;Xu, Z.;Zou, W.;Avila, C.;Cabrera, A.;Sierra, L. F. C.;Florez, C.;Gomez, J. P.;Moreno, B. G.;Sanabria, J. C.;Codinovic, N.;Lelas, D.;Polic, D.;Puljak, I.;Antunovic, Z.;Kovac, M.;Brigljevic, V.;Kadija, K.;Luetic, J.;Mekterovic, D.;Sudic, L.;Attikis, A.;Mavromanolakis, G.;Mousa, J.;Nicolaou, C.;Ptochos, F.;Razis, P. A.;Bodlak, M.;Finger, M.;Finger, M.;Assran, Y.;Kamel, A. E.;Mahmoud, M. A.;Radi, A.;Kadastik, M.;Murumaa, M.;Raidal, M.;Tiko, A.;Eerola, P.;Fedi, G.;Voutilainen, M.;Harkonen, J.;Karimaki, V.;Kinnunen, R.;Kortelainen, M. J.;Lampen, T.;Lassila-Perini, K.;Lehti, S.;Linden, T.;Luukka, P.;Maenpaa, T.;Peltola, T.;Tuominen, E.;Tuominiemi, J.;Tuovinen, E.;Wendland, L.;Talvitie, J.;Tuuva, T.;Besancon, M.;Couderc, F.;Dejardin, M.;Denegri, D.;Fabbro, B.;Faure, J. L.;Favaro, C.;Ferri, F.;Ganjour, S.;Givernaud, A.;Gras, P.;de Monchenault, G. H.;Jarry, P.;Locci, E.;Malcles, J.;Rander, J.;Rosowsky, A.;Titov, M.;Baffioni, S.;Beaudette, F.;Busson, P.;Charlot, C.;Dahms, T.;Dalchenko, M.;Dobrzynski, L.;Filipovic, N.;Florent, A.;de Cassagnac, R. G.;Mastrolorenzo, L.;Mine, P.;Naranjo, I. N.;Nguyen, M.;Ochando, C.;Ortona, G.;Paganini, P.;Regnard, S.;Salerno, R.;Sauvan, J. B.;Sirois, Y.;Veelken, C.;Yilmaz, Y.;Zabi, A.;Agram, J. L.;Andrea, J.;Aubin, A.;Bloch, D.;Brom, J. M.;Chabert, E. C.;Collard, C.;Conte, E.;Fontaine, J. C.;Gele, D.;Goerlach, U.;Goetzmann, C.;Le Bihan, A. C.;Skovpen, K.;Van Hove, P.;Gadrat, S.;Beauceron, S.;Beaupere, N.;Bernet, C.;Boudoul, G.;Bouvier, E.;Brochet, S.;Montoya, C. A. C.;Chasserat, J.;Chierici, R.;Contardo, D.;Depasse, P.;El Mamouni, H.;Fan, J.;Fay, J.;Gascon, S.;Gouzevitch, M.;Ille, B.;Kurca, T.;Lethuillier, M.;Mirabito, L.;Perries, S.;Alvarez, J. D. R.;Sabes, D.;Sgandurra, L.;Sordini, V.;Donckt, M. V.;Verdier, P.;Viret, S.;Xiao, H.;Tsamalaidze, Z.;Autermann, C.;Beranek, S.;Bontenackels, M.;Edelhoff, M.;Feld, L.;Heister, A.;Klein, K.;Ostapchuk, A.;Preuten, M.;Raupach, F.;Sammet, J.;Schael, S.;Schulte, J. F.;Weber, H.;Wittmer, B.;Zhukov, V.;Ata, M.;Brodski, M.;Dietz-Laursonn, E.;Duchardt, D.;Erdmann, M.;Fischer, R.;Guth, A.;Hebbeker, T.;Heidemann, C.;Hoepfner, K.;Klingebiel, D.;Knutzen, S.;Kreuzer, P.;Merschmeyer, M.;Meyer, A.;Millet, P.;Olschewski, M.;Padeken, K.;Papacz, P.;Reithler, H.;Schmitz, S. A.;Sonnenschein, L.;Teyssier, D.;Thuer, S.;Weber, M.;Cherepanov, V.;Erdogan, Y.;Flugge, G.;Geenen, H.;Geisler, M.;Ahmad, W. H.;Hoehle, F.;Kargoll, B.;Kress, T.;Kuessel, Y.;Unsken, A. K.;Lingemann, J.;Nowack, A.;Nugent, M.;Pooth, O.;Stahl, A.;Martin, M. A.;Asin, I.;Bartosik, N.;Behr, J.;Behrens, U.;Bell, A. J.;Bethani, A.;Borras, K.;Burgmeier, A.;Cakir, A.;Calligaris, L.;Campbell, A.;Choudhury, S.;Costanza, F.;Pardos, C. D.;Dolinska, G.;Dooling, S.;Dorland, T.;Eckerlin, G.;Eckstein, D.;Eichhorn, T.;Flucke, G.;Garcia, J. G.;Geiser, A.;Gunnellini, P.;Hauk, J.;Hempel, M.;Jung, H.;Kalogeropoulos, A.;Kasemann, M.;Katsas, P.;Kieseler, J.;Kleinwort, C.;Korol, I.;Krucker, D.;Lange, W.;Leonard, J.;Lipka, K.;Lobanov, A.;Lohmann, W.;Lutz, B.;Mankel, R.;Marfin, I.;Melzer-Pellmann, I. A.;Meyer, A. B.;Mittag, G.;Mnich, J.;Mussgiller, A.;Naumann-Emme, S.;Nayak, A.;Ntomari, E.;Perrey, H.;Pitzl, D.;Placakyte, R.;Raspereza, A.;Cipriano, P. M. R.;Roland, B.;Ron, E.;Sahin, M. O.;Salfeld-Nebgen, J.;Saxena, P.;Schoerner-Sadenius, T.;Schroder, M.;Seitz, C.;Spannagel, S.;Trevino, Adrv;Walsh, R.;Wissing, C.;Blobel, V.;Vignali, M. C.;Draeger, A. R.;Erfle, J.;Garutti, E.;Goebel, K.;Gorner, M.;Haller, J.;Hoffmann, M.;Hoing, R. S.;Junkes, A.;Kirschenmann, H.;Klanner, R.;Kogler, R.;Lange, J.;Lapsien, T.;Lenz, T.;Marchesini, I.;Ott, J.;Peiffer, T.;Perieanu, A.;Pietsch, N.;Poehlsen, J.;Poehlsen, T.;Rathjens, D.;Sander, C.;Schettler, H.;Schleper, P.;Schlieckau, E.;Schmidt, A.;Seidel, M.;Sola, V.;Stadie, H.;Steinbruck, G.;Troendle, D.;Usai, E.;Vanelderen, L.;Vanhoefer, A.;Barth, C.;Baus, C.;Berger, J.;Boser, C.;Butz, E.;Chwalek, T.;De Boer, W.;Descroix, A.;Dierlamm, A.;Feindt, M.;Frensch, F.;Giffels, M.;Gilbert, A.;Hartmann, F.;Hauth, T.;Husemann, U.;Katkov, I.;Kornmayer, A.;Pardo, P. L.;Mozer, M. U.;Muller, T.;Muller, T.;Nurnberg, A.;Quast, G.;Rabbertz, K.;Rocker, S.;Simonis, H. J.;Stober, F. M.;Ulrich, R.;Wagner-Kuhr, J.;Wayand, S.;Weiler, T.;Wolf, R.;Anagnostou, G.;Daskalakis, G.;Geralis, T.;Giakoumopoulou, V. A.;Kyriakis, A.;Loukas, D.;Markou, A.;Markou, C.;Psallidas, A.;Topsis-Giotis, I.;Agapitos, A.;Kesisoglou, S.;Panagiotou, A.;Saoulidou, N.;Stiliaris, E.;Aslanoglou, X.;Evangelou, I.;Flouris, G.;Foudas, C.;Kokkas, P.;Manthos, N.;Papadopoulos, I.;Paradas, E.;Strologas, J.;Bencze, G.;Hajdu, C.;Hidas, P.;Horvath, D.;Sikler, F.;Veszpremi, V.;Vesztergombi, G.;Zsigmond, A. J.;Beni, N.;Czellar, S.;Karancsi, J.;Molnar, J.;Palinkas, J.;Szillasi, Z.;Makovec, A.;Raics, P.;Trocsanyi, Z. L.;Ujvari, B.;Swain, S. K.;Beri, S. B.;Bhatnagar, V.;Gupta, R.;Bhawandeep, U.;Kalsi, A. K.;Kaur, M.;Kumar, R.;Mittal, M.;Nishu, N.;Singh, J. B.;Kumar, A.;Kumar, A.;Ahuja, S.;Bhardwaj, A.;Choudhary, B. C.;Kumar, A.;Malhotra, S.;Naimuddin, M.;Ranjan, K.;Sharma, V.;Banerjee, S.;Bhattacharya, S.;Chatterjee, K.;Dutta, S.;Gomber, B.;Jain, S.;Jain, S.;Khurana, R.;Modak, A.;Mukherjee, S.;Roy, D.;Sarkar, S.;Sharan, M.;Abdulsalam, A.;Dutta, D.;Kumar, V.;Mohanty, A. K.;Pant, L. M.;Shukla, P.;Topkar, A.;Aziz, T.;Banerjee, S.;Bhowmik, S.;Chatterjee, R. M.;Dewanjee, R. K.;Dugad, S.;Ganguly, S.;Ghosh, S.;Guchait, M.;Gurtu, A.;Kole, G.;Kumar, S.;Maity, M.;Majumder, G.;Mazumdar, K.;Mohanty, G. B.;Parida, B.;Sudhakar, K.;Wickramage, N.;Bakhshiansohi, H.;Behnamian, H.;Etesami, S. M.;Fahim, A.;Goldouzian, R.;Khakzad, M.;Najafabadi, M. M.;Naseri, M.;Mehdiabadi, S. P.;Hosseinabadi, F. R.;Safarzadeh, B.;Zeinali, M.;Felcini, M.;Grunewald, M.;Abbrescia, M.;Calabria, C.;Chhibra, S. S.;Colaleo, A.;Creanza, D.;De Filippis, N.;De Palma, M.;Fiore, L.;Iaselli, G.;Maggi, G.;Maggi, M.;My, S.;Nuzzo, S.;Pompili, A.;Pugliese, G.;Radogna, R.;Selvaggi, G.;Sharma, A.;Silvestris, L.;Venditti, R.;Verwilligen, P.;Abbiendi, G.;Benvenuti, A. C.;Bonacorsi, D.;Braibant-Giacomelli, S.;Brigliadori, L.;Campanini, R.;Capiluppi, P.;Castro, A.;Cavallo, F. R.;Codispoti, G.;Cuffiani, M.;Dallavalle, G. M.;Fabbri, F.;Fanfani, A.;Fasanella, D.;Giacomelli, P.;Grandi, C.;Guiducci, L.;Marcellini, S.;Masetti, G.;Montanari, A.;Navarria, F. L.;Perrotta, A.;Primavera, F.;Rossi, A. M.;Rovelli, T.;Siroli, G. P.;Tosi, N.;Travaglini, R.;Albergo, S.;Cappello, G.;Chiorboli, M.;Costa, S.;Giordano, F.;Potenza, R.;Tricomi, A.;Tuve, C.;Barbagli, G.;Ciulli, V.;Civinini, C.;D'Alessandro, R.;Focardi, E.;Gallo, E.;Gonzi, S.;Gori, V.;Lenzi, P.;Meschini, M.;Paoletti, S.;Sguazzoni, G.;Tropiano, A.;Benussi, L.;Bianco, S.;Fabbri, F.;Piccolo, D.;Ferretti, R.;Ferro, F.;Lo Vetere, M.;Robutti, E.;Tosi, S.;Dinardo, M. E.;Fiorendi, S.;Gennai, S.;Gerosa, R.;Ghezzi, A.;Govoni, P.;Lucchini, M. T.;Malvezzi, S.;Manzoni, R. A.;Martelli, A.;Marzocchi, B.;Menasce, D.;Moroni, L.;Paganoni, M.;Pedrini, D.;Ragazzi, S.;Redaelli, N.;de Fatis, T. T.;Buontempo, S.;Cavallo, N.;Di Guida, S.;Fabozzi, F.;Iorio, A. O. M.;Lista, L.;Meola, S.;Merola, M.;Paolucci, P.;Bacchetta, N.;Bellato, M.;Biasotto, M.;Bisello, D.;Branca, A.;Carlin, R.;Checchia, P.;Dall'Osso, M.;Galanti, M.;Gasparini, F.;Gasparini, U.;Gonella, F.;Gozzelino, A.;Margoni, M.;Meneguzzo, A. T.;Pazzini, J.;Pozzobon, N.;Ronchese, P.;Simonetto, F.;Torassa, E.;Tosi, M.;Vanini, S.;Ventura, S.;Zotto, P.;Zucchetta, A.;Zumerle, G.;Gabusi, M.;Ratti, S. P.;Re, V.;Riccardi, C.;Salvini, P.;Vitulo, P.;Biasini, M.;Bilei, G. M.;Ciangottini, D.;Fano, L.;Lariccia, P.;Mantovani, G.;Menichelli, M.;Saha, A.;Santocchia, A.;Spiezia, A.;Androsov, K.;Azzurri, P.;Bagliesi, G.;Bernardini, J.;Boccali, T.;Broccolo, G.;Castaldi, R.;Ciocci, M. A.;Dell'Orso, R.;Donato, S.;Fiori, F.;Foa, L.;Giassi, A.;Grippo, M. T.;Ligabue, F.;Lomtadze, T.;Martini, L.;Messineo, A.;Moon, C. S.;Palla, F.;Rizzi, A.;Savoy-Navarro, A.;Serban, A. T.;Spagnolo, P.;Squillacioti, P.;Tenchini, R.;Tonelli, G.;Venturi, A.;Verdini, P. G.;Vernieri, C.;Barone, L.;Cavallari, F.;D'Imperio, G.;Del Re, D.;Diemoz, M.;Jorda, C.;Longo, E.;Margaroli, F.;Meridiani, P.;Micheli, F.;Organtini, G.;Paramatti, R.;Rahatlou, S.;Rovelli, C.;Santanastasio, F.;Soffi, L.;Traczyk, P.;Amapane, N.;Arcidiacono, R.;Argiro, S.;Arneodo, M.;Bellan, R.;Biino, C.;Cartiglia, N.;Casasso, S.;Costa, M.;Degano, A.;Demaria, N.;Finco, L.;Mariotti, C.;Maselli, S.;Migliore, E.;Monaco, V.;Musich, M.;Obertino, M. M.;Pacher, L.;Pastrone, N.;Pelliccioni, M.;Angioni, G. L. P.;Potenza, A.;Romero, A.;Ruspa, M.;Sacchi, R.;Solano, A.;Staiano, A.;Tamponi, U.;Belforte, S.;Candelise, V.;Casarsa, M.;Cossutti, F.;Della Ricca, G.;Gobbo, B.;La Licata, C.;Marone, M.;Schizzi, A.;Umer, T.;Zanetti, A.;Chang, S.;Kropivnitskaya, A.;Nam, S. K.;Kim, D. H.;Kim, G. N.;Kim, M. S.;Kong, D. J.;Lee, S.;Oh, Y. D.;Park, H.;Sakharov, A.;Son, D. C.;Kim, T. J.;Ryu, M. S.;Kim, J. Y.;Moon, D. H.;Song, S.;Choi, S.;Gyun, D.;Hong, B.;Jo, M.;Kim, H.;Kim, Y.;Lee, B.;Lee, K. S.;Park, S. K.;Roh, Y.;Yoo, H. D.;Choi, M.;Kim, J. H.;Park, I. C.;Ryu, G.;Choi, Y.;Choi, Y. K.;Goh, J.;Kim, D.;Kwon, E.;Lee, J.;Yu, I.;Juodagalvis, A.;Komaragiri, J. R.;Ali, Mabm;Linares, E. C.;Castilla-Valdez, H.;De la Cruz-Burelo, E.;Heredia-de la Cruz, I.;Hernandez-Almada, A.;Lopez-Fernandez, R.;Sanchez-Hernandez, A.;Moreno, S. C.;Valencia, F. V.;Pedraza, I.;Ibarguen, H. A. S.;Pineda, A. M.;Krofcheck, D.;Butler, P. H.;Reucroft, S.;Ahmad, A.;Ahmad, M.;Hassan, Q.;Hoorani, H. R.;Khan, W. A.;Khurshid, T.;Shoaib, M.;Bialkowska, H.;Bluj, M.;Boimska, B.;Frueboes, T.;Gorski, M.;Kazana, M.;Nawrocki, K.;Romanowska-Rybinska, K.;Szleper, M.;Zalewski, P.;Brona, G.;Bunkowski, K.;Cwiok, M.;Dominik, W.;Doroba, K.;Kalinowski, A.;Konecki, M.;Krolikowski, J.;Misiura, M.;Olszewski, M.;Bargassa, P.;Silva, Cbde;Faccioli, P.;Parracho, P. G. F.;Gallinaro, M.;Iglesias, L. L.;Nguyen, F.;Antunes, J. R.;Seixas, J.;Varela, J.;Vischia, P.;Bunin, P.;Golutvin, I.;Gorbunov, I.;Karjavin, V.;Konoplyanikov, V.;Kozlov, G.;Lanev, A.;Malakhov, A.;Matveev, V.;Moisenz, P.;Palichik, V.;Perelygin, V.;Savina, M.;Shmatov, S.;Shulha, S.;Skatchkov, N.;Smirnov, V.;Zarubin, A.;Golovtsov, V.;Ivanov, Y.;Kim, V.;Kuznetsova, E.;Levchenko, P.;Murzin, V.;Oreshkin, V.;Smirnov, I.;Sulimov, V.;Uvarov, L.;Vavilov, S.;Vorobyev, A.;Vorobyev, A.;Andreev, Y.;Dermenev, A.;Gninenko, S.;Golubev, N.;Kirsanov, M.;Krasnikov, N.;Pashenkov, A.;Tlisov, D.;Toropin, A.;Epshteyn, V.;Gavrilov, V.;Lychkovskaya, N.;Popov, V.;Pozdnyakov, I.;Safronov, G.;Semenov, S.;Spiridonov, A.;Stolin, V.;Vlasov, E.;Zhokin, A.;Andreev, V.;Azarkin, M.;Dremin, I.;Kirakosyan, M.;Leonidov, A.;Mesyats, G.;Rusakov, S. V.;Vinogradov, A.;Belyaev, A.;Boos, E.;Dubinin, M.;Dudko, L.;Ershov, A.;Gribushin, A.;Klyukhin, V.;Kodolova, O.;Lokhtin, I.;Obraztsov, S.;Petrushanko, S.;Savrin, V.;Snigirev, A.;Azhgirey, I.;Bayshev, I.;Bitioukov, S.;Kachanov, V.;Kalinin, A.;Konstantinov, D.;Krychkine, V.;Petrov, V.;Ryutin, R.;Sobol, A.;Tourtchanovitch, L.;Troshin, S.;Tyurin, N.;Uzunian, A.;Volkov, A.;Adzic, P.;Ekmedzic, M.;Milosevic, J.;Rekovic, V.;Maestre, J. A.;Battilana, C.;Calvo, E.;Cerrada, M.;Llatas, M. C.;Colino, N.;De la Cruz, B.;Peris, A. D.;Vazquez, D. D.;Del Valle, A. E.;Bedoya, C. F.;Ramos, J. P. F.;Flix, J.;Fouz, M. C.;Garcia-Abia, P.;Lopez, O. G.;Lopez, S. G.;Hernandez, J. M.;Josa, M. I.;De Martino, E. N.;Yzquierdo, A. P. C.;Pelayo, J. P.;Olmeda, A. Q.;Redondo, I.;Romero, L.;Soares, M. S.;Albajar, C.;de Troconiz, J. F.;Missiroli, M.;Moran, D.;Brun, H.;Cuevas, J.;Menendez, J. F.;Folgueras, S.;Caballero, I. G.;Cifuentes, J. A. B.;Cabrillo, I. J.;Calderon, A.;Campderros, J. D.;Fernandez, M.;Gomez, G.;Graziano, A.;Virto, A. L.;Marco, J.;Marco, R.;Rivero, C. M.;Matorras, F.;Sanchez, F. J. M.;Gomez, J. P.;Rodrigo, T.;Rodriguez-Marrero, A. Y.;Ruiz-Jimeno, A.;Scodellaro, L.;Vila, I.;Cortabitarte, R. V.;Abbaneo, D.;Auffray, E.;Auzinger, G.;Bachtis, M.;Baillon, P.;Ball, A. H.;Barney, D.;Benaglia, A.;Bendavid, J.;Benhabib, L.;Benitez, J. F.;Bloch, P.;Bocci, A.;Bonato, A.;Bondu, O.;Botta, C.;Breuker, H.;Camporesi, T.;Cerminara, G.;Colafranceschi, S.;D'Alfonso, M.;d'Enterria, D.;Dabrowski, A.;David, A.;De Guio, F.;De Roeck, A.;De Visscher, S.;Di Marco, E.;Dobson, M.;Dordevic, M.;Dorney, B.;Dupont-Sagorin, N.;Elliott-Peisert, A.;Franzoni, G.;Funk, W.;Gigi, D.;Gill, K.;Giordano, D.;Girone, M.;Glege, F.;Guida, R.;Gundacker, S.;Guthoff, M.;Hammer, J.;Hansen, M.;Harris, P.;Hegeman, J.;Innocente, V.;Janot, P.;Kousouris, K.;Krajczar, K.;Lecoq, P.;Lourenco, C.;Magini, N.;Malgeri, L.;Mannelli, M.;Marrouche, J.;Masetti, L.;Meijers, F.;Mersi, S.;Meschi, E.;Moortgat, F.;Morovic, S.;Mulders, M.;Orsini, L.;Pape, L.;Perez, E.;Petrilli, A.;Petrucciani, G.;Pfeiffer, A.;Pimia, M.;Piparo, D.;Plagge, M.;Racz, A.;Rolandi, G.;Rovere, M.;Sakulin, H.;Schafer, C.;Schwick, C.;Sharma, A.;Siegrist, P.;Silva, P.;Simon, M.;Sphicas, P.;Spiga, D.;Steggemann, J.;Stieger, B.;Stoye, M.;Takahashi, Y.;Treille, D.;Tsirou, A.;Veres, G. I.;Wardle, N.;Wohri, H. K.;Wollny, H.;Zeuner, W. D.;Bertl, W.;Deiters, K.;Erdmann, W.;Horisberger, R.;Ingram, Q.;Kaestli, H. C.;Kotlinski, D.;Langenegger, U.;Renker, D.;Rohe, T.;Bachmair, F.;Bani, L.;Bianchini, L.;Buchmann, M. A.;Casal, B.;Chanon, N.;Dissertori, G.;Dittmar, M.;Donega, M.;Dunser, M.;Eller, P.;Grab, C.;Hits, D.;Hoss, J.;Lustermann, W.;Mangano, B.;Marini, A. C.;Marionneau, M.;del Arbol, P. M. R.;Masciovecchio, M.;Meister, D.;Mohr, N.;Musella, P.;Nageli, C.;Nessi-Tedaldi, F.;Pandolfi, F.;Pauss, F.;Perrozzi, L.;Peruzzi, M.;Quittnat, M.;Rebane, L.;Rossini, M.;Starodumov, A.;Takahashi, M.;Theofilatos, K.;Wallny, R.;Weber, H. A.;Amsler, C.;Canelli, M. F.;Chiochia, V.;De Cosa, A.;Hinzmann, A.;Hreus, T.;Kilminster, B.;Lange, C.;Mejias, B. M.;Ngadiuba, J.;Pinna, D.;Robmann, P.;Ronga, F. J.;Taroni, S.;Verzetti, M.;Yang, Y.;Cardaci, M.;Chen, K. H.;Ferro, C.;Kuo, C. M.;Lin, W.;Lu, Y. J.;Volpe, R.;Yu, S. S.;Chang, P.;Chang, Y. H.;Chao, Y.;Chen, K. F.;Chen, P. H.;Dietz, C.;Grundler, U.;Hou, W. S.;Liu, Y. F.;Lu, R. S.;Petrakou, E.;Tzeng, Y. M.;Wilken, R.;Asavapibhop, B.;Singh, G.;Srimanobhas, N.;Suwonjandee, N.;Adiguzel, A.;Bakirci, M. N.;Cerci, S.;Dozen, C.;Dumanoglu, I.;Eskut, E.;Girgis, S.;Gokbulut, G.;Guler, Y.;Gurpinar, E.;Hos, I.;Kangal, E. E.;Topaksu, A. K.;Onengut, G.;Ozdemir, K.;Ozturk, S.;Polatoz, A.;Cerci, D. S.;Tali, B.;Topakli, H.;Vergili, M.;Zorbilmez, C.;Akin, I. V.;Bilin, B.;Bilmis, S.;Gamsizkan, H.;Isildak, B.;Karapinar, G.;Ocalan, K.;Sekmen, S.;Surat, U. E.;Yalvac, M.;Zeyrek, M.;Albayrak, E. A.;Gulmez, E.;Kaya, M.;Kaya, O.;Yetkin, T.;Cankocak, K.;Vardarli, F. I.;Levchuk, L.;Sorokin, P.;Brooke, J. J.;Clement, E.;Cussans, D.;Flacher, H.;Goldstein, J.;Grimes, M.;Heath, G. P.;Heath, H. F.;Jacob, J.;Kreczko, L.;Lucas, C.;Meng, Z.;Newbold, D. M.;Paramesvaran, S.;Poll, A.;Sakuma, T.;El Nasr-Storey, S. S.;Senkin, S.;Smith, V. J.;Bell, K. W.;Belyaev, A.;Brew, C.;Brown, R. M.;Cockerill, D. J. A.;Coughlan, J. A.;Harder, K.;Harper, S.;Olaiya, E.;Petyt, D.;Shepherd-Themistocleous, C. H.;Thea, A.;Tomalin, I. R.;Williams, T.;Womersley, W. J.;Worm, S. D.;Baber, M.;Bainbridge, R.;Buchmuller, O.;Burton, D.;Colling, D.;Cripps, N.;Dauncey, P.;Davies, G.;Della Negra, M.;Dunne, P.;Ferguson, W.;Fulcher, J.;Futyan, D.;Hall, G.;Iles, G.;Jarvis, M.;Karapostoli, G.;Kenzie, M.;Lane, R.;Lucas, R.;Lyons, L.;Magnan, A. M.;Malik, S.;Mathias, B.;Nash, J.;Nikitenko, A.;Pela, J.;Pesaresi, M.;Petridis, K.;Raymond, D. M.;Rogerson, S.;Rose, A.;Seez, C.;Sharp, P.;Tapper, A.;Acosta, M. V.;Virdee, T.;Zenz, S. C.;Cole, J. E.;Hobson, P. R.;Khan, A.;Kyberd, P.;Leggat, D.;Leslie, D.;Reid, I. D.;Symonds, P.;Teodorescu, L.;Turner, M.;Dittmann, J.;Hatakeyama, K.;Kasmi, A.;Liu, H.;Scarborough, T.;Wu, Z.;Charaf, O.;Cooper, S. I.;Henderson, C.;Rumerio, P.;Avetisyan, A.;Bose, T.;Fantasia, C.;Lawson, P.;Richardson, C.;Rohlf, J.;St John, J.;Sulak, L.;Alimena, J.;Berry, E.;Bhattacharya, S.;Christopher, G.;Cutts, D.;Demiragli, Z.;Dhingra, N.;Ferapontov, A.;Garabedian, A.;Heintz, U.;Kukartsev, G.;Laird, E.;Landsberg, G.;Luk, M.;Narain, M.;Segala, M.;Sinthuprasith, T.;Speer, T.;Swanson, J.;Breedon, R.;Breto, G.;Sanchez, M. C. D.;Chauhan, S.;Chertok, M.;Conway, J.;Conway, R.;Cox, P. T.;Erbacher, R.;Gardner, M.;Ko, W.;Lander, R.;Mulhearn, M.;Pellett, D.;Pilot, J.;Ricci-Tam, F.;Shalhout, S.;Smith, J.;Squires, M.;Stolp, D.;Tripathi, M.;Wilbur, S.;Yohay, R.;Cousins, R.;Everaerts, P.;Farrell, C.;Hauser, J.;Ignatenko, M.;Rakness, G.;Takasugi, E.;Valuev, V.;Weber, M.;Burt, K.;Clare, R.;Ellison, J.;Gary, J. W.;Hanson, G.;Heilman, J.;Rikova, M. I.;Jandir, P.;Kennedy, E.;Lacroix, F.;Long, O. R.;Luthra, A.;Malberti, M.;Negrete, M. O.;Shrinivas, A.;Sumowidagdo, S.;Wimpenny, S.;Branson, J. G.;Cerati, G. B.;Cittolin, S.;D'Agnolo, R. T.;Holzner, A.;Kelley, R.;Klein, D.;Letts, J.;Macneill, I.;Olivito, D.;Padhi, S.;Palmer, C.;Pieri, M.;Sani, M.;Sharma, V.;Simon, S.;Tadel, M.;Tu, Y.;Vartak, A.;Welke, C.;Wurthwein, F.;Yagil, A.;Barge, D.;Bradmiller-Feld, J.;Campagnari, C.;Danielson, T.;Dishaw, A.;Dutta, V.;Flowers, K.;Sevilla, M. F.;Geffert, P.;George, C.;Golf, F.;Gouskos, L.;Incandela, J.;Justus, C.;McColl, N.;Richman, J.;Stuart, D.;To, W.;West, C.;Yoo, J.;Apresyan, A.;Bornheim, A.;Bunn, J.;Chen, Y.;Duarte, J.;Mott, A.;Newman, H. B.;Pena, C.;Pierini, M.;Spiropulu, M.;Vlimant, J. R.;Wilkinson, R.;Xie, S.;Zhu, R. Y.;Azzolini, V.;Calamba, A.;Carlson, B.;Ferguson, T.;Iiyama, Y.;Paulini, M.;Russ, J.;Vogel, H.;Vorobiev, I.;Cumalat, J. P.;Ford, W. T.;Gaz, A.;Krohn, M.;Lopez, E. L.;Nauenberg, U.;Smith, J. G.;Stenson, K.;Wagner, S. R.;Alexander, J.;Chatterjee, A.;Chaves, J.;Chu, J.;Dittmer, S.;Eggert, N.;Mirman, N.;Kaufman, G. N.;Patterson, J. R.;Ryd, A.;Salvati, E.;Skinnari, L.;Sun, W.;Teo, W. D.;Thom, J.;Thompson, J.;Tucker, J.;Weng, Y.;Winstrom, L.;Wittich, P.;Winn, D.;Abdullin, S.;Albrow, M.;Anderson, J.;Apollinari, G.;Bauerdick, L. A. T.;Beretvas, A.;Berryhill, J.;Bhat, P. C.;Bolla, G.;Burkett, K.;Butler, J. N.;Cheung, H. W. K.;Chlebana, F.;Cihangir, S.;Elvira, V. D.;Fisk, I.;Freeman, J.;Gao, Y.;Gottschalk, E.;Gray, L.;Green, D.;Grunendahl, S.;Gutsche, O.;Hanlon, J.;Hare, D.;Harris, R. M.;Hirschauer, J.;Hooberman, B.;Jindariani, S.;Johnson, M.;Joshi, U.;Klima, B.;Kreis, B.;Kwan, S.;Linacre, J.;Lincoln, D.;Lipton, R.;Liu, T.;Lykken, J.;Maeshima, K.;Marraffino, J. M.;Outschoorn

Searches for supersymmetry using the M-T2 variable in hadronic events produced in pp collisions at 8 TeV

searches for supersymmetry using the m-t2 variable in hadronic events produced in pp collisions at 8 tev

citation khachatryan sirunyan tumasyan adam bergauer dragicevic searches supersymmetry hadronic collisions tev. jhep searches supersymmetry susy hadronic collisions cern lhc. searches imbalance event. luminosity searches performed. inclusive hadronic multiplicity jets originating quarks. boson decaying antiquark boson susy particle. searches principal backgrounds samples. excess exclusion susy derived.additional knunz krammer kraetschmer liko mikulec rabady rahbaran rohringer schofbeck strauss treberer treberspurg waltenberger wulz mossolov shumeiko gonzalez alderweireldt bansal cornelis wolf janssen knutsson lauwers luyckx ochesanu rougny klundert haevermaet mechelen remortel spilbeeck blekman blyweert hondt daci heracleous keaveney lowette maes olbrechts python strom tavernier doninck mulders onsem villella caillol clerbaux lentdecker dobur favart grebenyuk leonard mohammadi pernie randle conde reis seva thomas velde vanlaer zenoni adler beernaert benucci cimmino costantini crucy dildick fagot garcia mccartin rios ryckbosch diblen sigamani strobbe thyssen tytgat yazgan zaganidis basegmez beluffi bruno castello caudron ceard silveira delaere pree favart forthomme giammanco hollar jafari komm lemaitre nuttens perrini piotrzkowski popov quertenmont selvaggi marono garcia beliy caebergs daubie hammad alda alves brito martins martins molina herrera teles carvalho chinellato custodio costa damiao martins souza malbouisson figueiredo mundim nogima silva santaolalla santoro sznajder manganote pereira bernardes dogra tomei trfp gregores mercadante novaes padula aleksandrov genchev hadjiiska iaydjiev marinov piperov rodozov stoykova sultanov vutova dimitrov glushkov litov pavlov petkov bian cheng jiang plestina romeo asawatangtrakuldee qian avila cabrera sierra florez gomez moreno sanabria codinovic lelas polic puljak antunovic kovac brigljevic kadija luetic mekterovic sudic attikis mavromanolakis mousa nicolaou ptochos razis bodlak finger finger assran kamel mahmoud radi kadastik murumaa raidal tiko eerola fedi voutilainen harkonen karimaki kinnunen kortelainen lampen lassila perini lehti linden luukka maenpaa peltola tuominen tuominiemi tuovinen wendland talvitie tuuva besancon couderc dejardin denegri fabbro faure favaro ferri ganjour givernaud gras monchenault jarry locci malcles rander rosowsky titov baffioni beaudette busson charlot dahms dalchenko dobrzynski filipovic florent cassagnac mastrolorenzo mine naranjo nguyen ochando ortona paganini regnard salerno sauvan sirois veelken yilmaz zabi agram andrea aubin bloch brom chabert collard conte fontaine gele goerlach goetzmann bihan skovpen hove gadrat beauceron beaupere bernet boudoul bouvier brochet montoya chasserat chierici contardo depasse mamouni gascon gouzevitch ille kurca lethuillier mirabito perries alvarez sabes sgandurra sordini donckt verdier viret xiao tsamalaidze autermann beranek bontenackels edelhoff feld heister klein ostapchuk preuten raupach sammet schael schulte weber wittmer zhukov brodski dietz laursonn duchardt erdmann fischer guth hebbeker heidemann hoepfner klingebiel knutzen kreuzer merschmeyer meyer millet olschewski padeken papacz reithler schmitz sonnenschein teyssier thuer weber cherepanov erdogan flugge geenen geisler ahmad hoehle kargoll kress kuessel unsken lingemann nowack nugent pooth stahl martin asin bartosik behr behrens bell bethani borras burgmeier cakir calligaris campbell choudhury costanza pardos dolinska dooling dorland eckerlin eckstein eichhorn flucke garcia geiser gunnellini hauk hempel jung kalogeropoulos kasemann katsas kieseler kleinwort korol krucker lange leonard lipka lobanov lohmann lutz mankel marfin melzer pellmann meyer mittag mnich mussgiller naumann emme nayak ntomari perrey pitzl placakyte raspereza cipriano roland sahin salfeld nebgen saxena schoerner sadenius schroder seitz spannagel trevino adrv walsh wissing blobel vignali draeger erfle garutti goebel gorner haller hoffmann hoing junkes kirschenmann klanner kogler lange lapsien lenz marchesini peiffer perieanu pietsch poehlsen poehlsen rathjens sander schettler schleper schlieckau schmidt seidel sola stadie steinbruck troendle usai vanelderen vanhoefer barth baus berger boser butz chwalek boer descroix dierlamm feindt frensch giffels gilbert hartmann hauth husemann katkov kornmayer pardo mozer muller muller nurnberg quast rabbertz rocker simonis stober ulrich wagner kuhr wayand weiler wolf anagnostou daskalakis geralis giakoumopoulou kyriakis loukas markou markou psallidas topsis giotis agapitos kesisoglou panagiotou saoulidou stiliaris aslanoglou evangelou flouris foudas kokkas manthos papadopoulos paradas strologas bencze hajdu hidas horvath sikler veszpremi vesztergombi zsigmond beni czellar karancsi molnar palinkas szillasi makovec raics trocsanyi ujvari swain beri bhatnagar gupta bhawandeep kalsi kaur kumar mittal nishu singh kumar kumar ahuja bhardwaj choudhary kumar malhotra naimuddin ranjan sharma banerjee bhattacharya chatterjee dutta gomber jain jain khurana modak mukherjee sarkar sharan abdulsalam dutta kumar mohanty pant shukla topkar aziz banerjee bhowmik chatterjee dewanjee dugad ganguly ghosh guchait gurtu kole kumar maity majumder mazumdar mohanty parida sudhakar wickramage bakhshiansohi behnamian etesami fahim goldouzian khakzad najafabadi naseri mehdiabadi hosseinabadi safarzadeh zeinali felcini grunewald abbrescia calabria chhibra colaleo creanza filippis palma fiore iaselli maggi maggi nuzzo pompili pugliese radogna selvaggi sharma silvestris venditti verwilligen abbiendi benvenuti bonacorsi braibant giacomelli brigliadori campanini capiluppi castro cavallo codispoti cuffiani dallavalle fabbri fanfani fasanella giacomelli grandi guiducci marcellini masetti montanari navarria perrotta primavera rossi rovelli siroli tosi travaglini albergo cappello chiorboli costa giordano potenza tricomi tuve barbagli ciulli civinini alessandro focardi gallo gonzi gori lenzi meschini paoletti sguazzoni tropiano benussi bianco fabbri piccolo ferretti ferro vetere robutti tosi dinardo fiorendi gennai gerosa ghezzi govoni lucchini malvezzi manzoni martelli marzocchi menasce moroni paganoni pedrini ragazzi redaelli fatis buontempo cavallo guida fabozzi iorio lista meola merola paolucci bacchetta bellato biasotto bisello branca carlin checchia dall osso galanti gasparini gasparini gonella gozzelino margoni meneguzzo pazzini pozzobon ronchese simonetto torassa tosi vanini ventura zotto zucchetta zumerle gabusi ratti riccardi salvini vitulo biasini bilei ciangottini fano lariccia mantovani menichelli saha santocchia spiezia androsov azzurri bagliesi bernardini boccali broccolo castaldi ciocci dell orso donato fiori giassi grippo ligabue lomtadze martini messineo moon palla rizzi savoy navarro serban spagnolo squillacioti tenchini tonelli venturi verdini vernieri barone cavallari imperio diemoz jorda longo margaroli meridiani micheli organtini paramatti rahatlou rovelli santanastasio soffi traczyk amapane arcidiacono argiro arneodo bellan biino cartiglia casasso costa degano demaria finco mariotti maselli migliore monaco musich obertino pacher pastrone pelliccioni angioni potenza romero ruspa sacchi solano staiano tamponi belforte candelise casarsa cossutti della ricca gobbo licata marone schizzi umer zanetti chang kropivnitskaya kong park sakharov moon song choi gyun hong park choi park choi choi kwon juodagalvis komaragiri mabm linares castilla valdez cruz burelo heredia cruz hernandez almada lopez fernandez sanchez hernandez moreno valencia pedraza ibarguen pineda krofcheck butler reucroft ahmad ahmad hassan hoorani khan khurshid shoaib bialkowska bluj boimska frueboes gorski kazana nawrocki romanowska rybinska szleper zalewski brona bunkowski cwiok dominik doroba kalinowski konecki krolikowski misiura olszewski bargassa silva cbde faccioli parracho gallinaro iglesias nguyen antunes seixas varela vischia bunin golutvin gorbunov karjavin konoplyanikov kozlov lanev malakhov matveev moisenz palichik perelygin savina shmatov shulha skatchkov smirnov zarubin golovtsov ivanov kuznetsova levchenko murzin oreshkin smirnov sulimov uvarov vavilov vorobyev vorobyev andreev dermenev gninenko golubev kirsanov krasnikov pashenkov tlisov toropin epshteyn gavrilov lychkovskaya popov pozdnyakov safronov semenov spiridonov stolin vlasov zhokin andreev azarkin dremin kirakosyan leonidov mesyats rusakov vinogradov belyaev boos dubinin dudko ershov gribushin klyukhin kodolova lokhtin obraztsov petrushanko savrin snigirev azhgirey bayshev bitioukov kachanov kalinin konstantinov krychkine petrov ryutin sobol tourtchanovitch troshin tyurin uzunian volkov adzic ekmedzic milosevic rekovic maestre battilana calvo cerrada llatas colino cruz peris vazquez valle bedoya ramos flix fouz garcia abia lopez lopez hernandez josa martino yzquierdo pelayo olmeda redondo romero soares albajar troconiz missiroli moran brun cuevas menendez folgueras caballero cifuentes cabrillo calderon campderros fernandez gomez graziano virto marco marco rivero matorras sanchez gomez rodrigo rodriguez marrero ruiz jimeno scodellaro vila cortabitarte abbaneo auffray auzinger bachtis baillon ball barney benaglia bendavid benhabib benitez bloch bocci bonato bondu botta breuker camporesi cerminara colafranceschi alfonso enterria dabrowski david guio roeck visscher marco dobson dordevic dorney dupont sagorin elliott peisert franzoni funk gigi gill giordano girone glege guida gundacker guthoff hammer hansen harris hegeman innocente janot kousouris krajczar lecoq lourenco magini malgeri mannelli marrouche masetti meijers mersi meschi moortgat morovic mulders orsini pape perez petrilli petrucciani pfeiffer pimia piparo plagge racz rolandi rovere sakulin schafer schwick sharma siegrist silva simon sphicas spiga steggemann stieger stoye takahashi treille tsirou veres wardle wohri wollny zeuner bertl deiters erdmann horisberger ingram kaestli kotlinski langenegger renker rohe bachmair bani bianchini buchmann casal chanon dissertori dittmar donega dunser eller grab hits hoss lustermann mangano marini marionneau arbol masciovecchio meister mohr musella nageli nessi tedaldi pandolfi pauss perrozzi peruzzi quittnat rebane rossini starodumov takahashi theofilatos wallny weber amsler canelli chiochia cosa hinzmann hreus kilminster lange mejias ngadiuba pinna robmann ronga taroni verzetti cardaci ferro volpe chang chang chao dietz grundler petrakou tzeng wilken asavapibhop singh srimanobhas suwonjandee adiguzel bakirci cerci dozen dumanoglu eskut girgis gokbulut guler gurpinar kangal topaksu onengut ozdemir ozturk polatoz cerci tali topakli vergili zorbilmez akin bilin bilmis gamsizkan isildak karapinar ocalan sekmen surat yalvac zeyrek albayrak gulmez kaya kaya yetkin cankocak vardarli levchuk sorokin brooke clement cussans flacher goldstein grimes heath heath jacob kreczko lucas meng newbold paramesvaran poll sakuma nasr storey senkin bell belyaev brew brown cockerill coughlan harder harper olaiya petyt shepherd themistocleous thea tomalin williams womersley worm baber bainbridge buchmuller burton colling cripps dauncey davies della negra dunne ferguson fulcher futyan hall iles jarvis karapostoli kenzie lane lucas lyons magnan malik mathias nash nikitenko pela pesaresi petridis raymond rogerson rose seez sharp tapper acosta virdee zenz cole hobson khan kyberd leggat leslie reid symonds teodorescu turner dittmann hatakeyama kasmi scarborough charaf cooper henderson rumerio avetisyan bose fantasia lawson richardson rohlf john sulak alimena berry bhattacharya christopher cutts demiragli dhingra ferapontov garabedian heintz kukartsev laird landsberg narain segala sinthuprasith speer swanson breedon breto sanchez chauhan chertok conway conway erbacher gardner lander mulhearn pellett pilot ricci shalhout squires stolp tripathi wilbur yohay cousins everaerts farrell hauser ignatenko rakness takasugi valuev weber burt clare ellison gary hanson heilman rikova jandir kennedy lacroix luthra malberti negrete shrinivas sumowidagdo wimpenny branson cerati cittolin agnolo holzner kelley klein letts macneill olivito padhi palmer pieri sani sharma simon tadel vartak welke wurthwein yagil barge bradmiller feld campagnari danielson dishaw dutta flowers sevilla geffert george golf gouskos incandela justus mccoll richman stuart west apresyan bornheim bunn duarte mott newman pena pierini spiropulu vlimant wilkinson azzolini calamba carlson ferguson iiyama paulini russ vogel vorobiev cumalat ford krohn lopez nauenberg stenson wagner alexander chatterjee chaves dittmer eggert mirman kaufman patterson salvati skinnari thom thompson tucker weng winstrom wittich winn abdullin albrow anderson apollinari bauerdick beretvas berryhill bhat bolla burkett butler cheung chlebana cihangir elvira fisk freeman gottschalk gray grunendahl gutsche hanlon hare harris hirschauer hooberman jindariani johnson joshi klima kreis kwan linacre lincoln lipton lykken maeshima marraffino outschoorn

non_dup

78063461

10.1007/jhep05(2015)080

We analyze non-Higgsable clusters of gauge groups and matter that can arise at the level of geometry in 4D F-theory models. Non-Higgsable clusters seem to be generic features of F-theory compactifications, and give rise naturally to structures that include the nonabelian part of the standard model gauge group and certain specific types of potential dark matter candidates. In particular, there are nine distinct single nonabelian gauge group factors, and only five distinct products of two nonabelian gauge group factors with matter, including SU(3) × SU(2), that can be realized through 4D non-Higgsable clusters. There are also more complicated configurations involving more than two gauge factors; in particular, the collection of gauge group factors with jointly charged matter can exhibit branchings, loops, and long linear chains.United States. Dept. of Energy (Grant Contract DE-SC00012567)National Science Foundation (U.S.) (Grant PHYS-1066293

Non-Higgsable clusters for 4D F-theory models

non-higgsable clusters for 4d f-theory models

analyze higgsable arise models. higgsable seem generic compactifications naturally nonabelian candidates. nine nonabelian nonabelian realized higgsable clusters. complicated configurations involving jointly exhibit branchings loops chains.united states. dept. contract foundation u.s.

non_dup

78063459

10.1007/jhep05(2015)136

We analyze solutions to loop-truncated Schwinger-Dyson equations in massless N = 2 and N = 4 Wess-Zumino matrix quantum mechanics at finite temperature, where conventional perturbation theory breaks down due to IR divergences. We find a rather intricate low temperature expansion that involves fractional power scaling in the temperature, based on a consistent “soft collinear” approximation. We conjecture that at least in the N = 4 matrix quantum mechanics, such scaling behavior holds to all perturbative orders in the 1/N expansion. We discuss some preliminary results in analyzing the gauged supersymmetric quantum mechanics using Schwinger-Dyson equations, and comment on the connection to metastable microstates of black holes in the holographic dual of BFSS matrix quantum mechanics.Harvard University (Fundamental Laws Initiative Fund)National Science Foundation (U.S.) (Award PHY-0847457

A low temperature expansion for matrix quantum mechanics

a low temperature expansion for matrix quantum mechanics

analyze truncated schwinger dyson massless wess zumino mechanics perturbation breaks divergences. intricate involves fractional “soft collinear” approximation. conjecture mechanics perturbative orders expansion. preliminary analyzing gauged supersymmetric mechanics schwinger dyson comment connection metastable microstates holes holographic bfss mechanics.harvard laws initiative fund foundation u.s. award

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42129673

10.1007/jhep05(2016)063

We consider the phenomenology of a 750 GeV resonance X which can be produced at the LHC by only photon fusion and subsequently decay into di-photons. We propose that the spin-zero state X is coupled to a heavy lepton that lives in the bulk of a higher-dimensional theory and interacts only with the photons of the Standard Model. We compute the di-photon rate in these models with two and more compact extra dimensions and demonstrate that they allow for a compelling explanation of the di-photon excess recently observed by the ATLAS and CMS collaborations. The central role in our approach is played by the summation over the Kaluza-Klein modes of the new leptons, thus providing a significant enhancement of the X→γγ loops for the production and decay subprocesses. It is expected that the jet activity accompanying these purely electromagnetic (at the partonic level) processes is numerically suppressed by factors such as α2emCqq¯/Cγγ∼10−3

Photo-production of a 750 GeV di-photon resonance mediated by Kaluza-Klein leptons in the loop.

photo-production of a 750 gev di-photon resonance mediated by kaluza-klein leptons in the loop.

phenomenology fusion subsequently photons. propose lepton lives interacts photons model. extra compelling explanation excess atlas collaborations. played summation kaluza klein leptons enhancement x→γγ loops subprocesses. accompanying purely electromagnetic partonic numerically suppressed emcqq¯ cγγ∼

non_dup

158350743

10.1007/jhep05(2018)101

String theory on AdS3×S3×T4 has 20 moduli. We investigate how the perturbative closed string spectrum changes as we move around this moduli space in both the RR and NSNS flux backgrounds. We find that, at weak string coupling, only four of the moduli affect the energies. In the RR background the only effect of these moduli is to change the radius of curvature of the background. On the other hand, in the NSNS background, the moduli introduce worldsheet interactions which enable the use of integrability methods to solve the spectral problem. Our results show that the worldsheet theory is integrable across the 20 dimensional moduli space

Closed Strings and Moduli in AdS3/CFT2

closed strings and moduli in ads3/cft2

moduli. perturbative move moduli nsns backgrounds. moduli energies. moduli curvature background. nsns moduli worldsheet enable integrability solve problem. worldsheet integrable moduli

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4426656

10.1007/jhep06(2010)045

We consider explicit models of dynamical supersymmetry breaking where dark matter is a 10 – 100 TeV strongly-interacting composite state carrying no standard model quantum numbers. These constructions are simple variants of well-known supersymmetry breaking mechanisms, augmented to allow for a large “flavor” symmetry. Dark matter is the lightest composite modulus charged under this symmetry and is a viable cold dark matter candidate with a thermal relic abundance. This is an attractive possibility in low-scale gauge-mediated scenarios where the gravitino is the lightest superparticle. A light R-axion associated with supersymmetry breaking is present in these hidden sectors and serves as the portal between dark matter and the standard model. Such scenarios are relevant for present and future indirect detection experiments.National Science Foundation (U.S.) (Grant No. PHY-0756966)United States. Dept. of Energy (award DE-FG02- 90ER40542)United States. Dept. of Energy (cooperative research agreement DE-FG02-05ER-41360

Dark matter from dynamical SUSY breaking

dark matter from dynamical susy breaking

supersymmetry breaking interacting composite carrying numbers. constructions variants supersymmetry breaking augmented “flavor” symmetry. lightest composite modulus viable cold candidate relic abundance. attractive scenarios gravitino lightest superparticle. axion supersymmetry breaking hidden sectors serves portal model. scenarios indirect experiments.national foundation u.s. states. dept. award states. dept. cooperative

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4426658

10.1007/jhep06(2010)109

We show that the thermal relic abundance of dark matter can be affected by a new type of reaction: semi-annihilation. Semi-annihilation takes the schematic form ..., where psi i are stable dark matter particles and phi is an unstable state. Such reactions are generically present when dark matter is composed of more than one species with “flavor” and/or “baryon” symmetries. We give a complete set of coupled Boltzmann equations in the presence of semi-annihilations, and study two toy models featuring this process. Semi-annihilation leads to non-trivial dark matter dynamics in the early universe, often dominating over ordinary annihilation in determining the relic abundance. This process also has important implications for indirect detection experiments, by enriching the final state spectrum from dark matter (semi-)annihilation in the Milky Way

Semi-annihilation of dark matter

semi-annihilation of dark matter

relic abundance annihilation. annihilation schematic unstable state. generically composed “flavor” “baryon” symmetries. boltzmann annihilations featuring process. annihilation trivial universe dominating ordinary annihilation determining relic abundance. indirect enriching annihilation milky

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78053898

10.1007/jhep06(2011)001

We extend the known consistency conditions on the low-energy theory of six-dimensional N = 1 supergravity. We review some facts about the theory of two-form gauge fields and conclude that the charge lattice Γ for such a theory has to be self-dual. The Green-Schwarz anomaly cancellation conditions in the supergravity theory determine a sublattice of Γ. The condition that this sublattice can be extended to a self-dual lattice Γ leads to a strong constraint on theories that otherwise appear to be self-consistent.United States. Dept. of Energy (Contract DE-FC02-94 ER40818)United States. Dept. of Energy (Contract DE-FG02-90ER40542

Charge lattices and consistency of 6D supergravity

charge lattices and consistency of 6d supergravity

extend consistency supergravity. facts dual. schwarz anomaly cancellation supergravity sublattice sublattice consistent.united states. dept. contract states. dept. contract

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2723491

10.1007/jhep06(2011)044

In supersymmetric grand-unified models, the lepton mixing matrix can possibly affect flavor-changing transitions in the quark sector. We present a detailed analysis of a model proposed by Chang, Masiero and Murayama, in which the near-maximal atmospheric neutrino mixing angle governs large new b → s transitions. Relating the supersymmetric low-energy parameters to seven new parameters of this SO(10) GUT model, we perform a correlated study of several flavor-changing neutral current (FCNC) processes. We find the current bound on more constraining than BXs. The LEP limit on the lightest Higgs boson mass implies an important lower bound on tan β, which in turn limits the size of the new FCNC transitions. Remarkably, the combined analysis does not rule out large effects in mixing and we can easily accomodate the large CP phase in the Bs−Bs system which has recently been inferred from a global analysis of CDF and DØ data. The model predicts a particle spectrum which is different from the popular Constrained Minimal Supersymmetric Standard Model (CMSSM). Bs−Bs enforces heavy masses, typically above 1TeV, for thes fermions of the degenerate first two generations. However, the ratio of the third-generation and first-generation sfermion masses is smaller than in the CMSSM and a (dominantly right-handed) stop with mass below 500GeV is possible

Flavor physics in an SO(10) grand unified model

flavor physics in an so(10) grand unified model

supersymmetric grand unified lepton possibly flavor changing sector. chang masiero murayama maximal governs transitions. relating supersymmetric seven flavor changing neutral fcnc processes. constraining bxs. lightest boson fcnc transitions. remarkably accomodate bs−bs inferred data. predicts popular constrained supersymmetric cmssm bs−bs enforces thes fermions degenerate generations. sfermion cmssm dominantly handed stop

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2708099

10.1007/jhep06(2011)056

Brane tilings, sometimes called dimer models, are a class of bipartite graphs on a torus which encode the gauge theory data of four-dimensional SCFTs dual to D3-branes probing toric Calabi-Yau threefolds. An efficient way of encoding this information exploits the theory of dessin d’enfants, expressing the structure in terms of a permutation triple, which is in turn related to a Belyi pair, namely a holomorphic map from a torus to a P1 with three marked points. The procedure of a-maximization, in the context of isoradial embeddings of the dimer, also associates a complex structure to the torus, determined by the R-charges in the SCFT, which can be compared with the Belyi complex structure. Algorithms for the explicit construction of the Belyi pairs are described in detail. In the case of orbifolds, these algorithms are related to the construction of covers of elliptic curves, which exploits the properties of Weierstraß elliptic functions. We present a counter example to a previous conjecture identifying the complex structure of the Belyi curve to the complex structure associated with R-charges

The Beta Ansatz: A Tale of Two Complex Structures

the beta ansatz: a tale of two complex structures

brane tilings sometimes dimer bipartite torus encode scfts branes probing toric calabi threefolds. encoding exploits dessin d’enfants expressing permutation triple belyi holomorphic torus marked points. maximization isoradial embeddings dimer associates torus charges scft belyi structure. belyi detail. orbifolds covers elliptic exploits weierstraß elliptic functions. counter conjecture identifying belyi charges

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20024987

10.1007/jhep06(2012)036

The inclusive production cross sections for forward jets, as well for jets in dijet events with at least one jet emitted at central and the other at forward pseudorapidities, are measured in the range of transverse momenta p [subscript T] = 35-150 GeV/c in proton-proton collisions at √s = 7 TeV by the CMS experiment at the LHC. Forward jets are measured within pseudorapidities 3.2 < |η| < 4.7, and central jets within the |η| < 2.8 range. The differential cross sections d [superscript 2] σ/dp [subscript T] dη are compared to predictions from three approaches in perturbative quantum chromodynamics: (i) next-to-leading-order calculations obtained with and without matching to parton-shower Monte Carlo simulations, (ii) pythia and herwig parton-shower event generators with different tunes of parameters, and (iii) cascade and hej models, including different non-collinear corrections to standard single-parton radiation. The single-jet inclusive forward jet spectrum is well described by all models, but not all predictions are consistent with the spectra observed for the forward-central dijet events.United States. Dept. of EnergyNational Science Foundation (U.S.)Alfred P. Sloan Foundatio

Measurement of the inclusive production cross sections for forward jets and for dijet events with one forward and one central jet in pp collisions at √s = 7 TeV

measurement of the inclusive production cross sections for forward jets and for dijet events with one forward and one central jet in pp collisions at √s = 7 tev

inclusive jets jets dijet emitted pseudorapidities momenta subscript proton proton collisions lhc. jets pseudorapidities jets range. superscript subscript perturbative chromodynamics matching parton shower monte carlo pythia herwig parton shower generators tunes cascade collinear parton radiation. inclusive dijet events.united states. dept. energynational foundation u.s. alfred sloan foundatio

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16519972

10.1007/jhep06(2012)046

If supersymmetry (SUSY) solves the hierarchy problem, then naturalness considerations coupled with recent LHC bounds require non-trivial superpartner flavor structures. Such “Natural SUSY” models exhibit a large mass hierarchy between scalars of the third and first two generations as well as degeneracy (or alignment) among the first two generations. In this work, we show how this specific beyond the standard model (SM) flavor structure can be tied directly to SM flavor via “Flavor Mediation”. The SM contains an anomaly-free SU(3) flavor symmetry, broken only by Yukawa couplings. By gauging this flavor symmetry in addition to SM gauge symmetries, we can mediate SUSY breaking via (Higgsed) gauge mediation. This automatically delivers a natural SUSY spectrum. Third-generation scalar masses are suppressed due to the dominant breaking of the flavor gauge symmetry in the top direction. More subtly, the first-two-generation scalars remain highly degenerate due to a custodial U(2) symmetry, where the SU(2) factor arises because SU(3) is rank two. This custodial symmetry is broken only at order (m c /m t )2. SUSY gauge coupling unification predictions are preserved, since no new charged matter is introduced, the SM gauge structure is unaltered, and the flavor symmetry treats all matter multiplets equally. Moreover, the uniqueness of the anomaly-free SU(3) flavor group makes possible a number of concrete predictions for the superpartner spectrum.United States. Dept. of Energy (cooperative research agreement DE-FG02- 05ER-41360)United States. Dept. of Energy (Early Career research program DE-FG02-11ER-41741)Massachusetts Institute of Technology (Simons Postdoctoral Fellowship)National Science Foundation (U.S.) (NSF grant PHY-0907744)Institute for Advanced Study (Princeton, N.J.

Flavor mediation delivers natural SUSY

flavor mediation delivers natural susy

supersymmetry susy solves hierarchy naturalness considerations bounds trivial superpartner flavor structures. “natural susy” exhibit hierarchy scalars generations degeneracy alignment generations. flavor tied flavor “flavor mediation”. anomaly flavor broken yukawa couplings. gauging flavor symmetries mediate susy breaking higgsed mediation. automatically delivers susy spectrum. suppressed breaking flavor direction. subtly scalars degenerate custodial arises two. custodial broken susy unification preserved unaltered flavor treats multiplets equally. uniqueness anomaly flavor concrete superpartner spectrum.united states. dept. cooperative states. dept. career massachusetts simons postdoctoral fellowship foundation u.s. advanced princeton n.j.

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143976813

10.1007/jhep06(2012)088

This paper presents measurements of the polarization of W bosons in top quark decays, derived from t¯t events with missing transverse momentum, one charged lepton and at least four jets, or two charged leptons and at least two jets. Data from pp collisions at a centre-of-mass energy of 7 TeV were collected with the ATLAS experiment at the LHC and correspond to an integrated luminosity of 1.04 fb−1. The measured fractions of longitudinally, left- and right-handed polarization are F0 = 0.67 ± 0.07, FL = 0.32 ± 0.04 and FR = 0.01 ± 0.05, in agreement with the Standard Model predictions. As the polarization of the W bosons in top quark decays is sensitive to the Wtb vertex Lorentz structure and couplings, the measurements were used to set limits on anomalous contributions to the Wtb couplings.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR, and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET and ERC, European Union; IN2P3-CNRS, CLA-DSM/IRFU, Frame; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, CIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TALK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.info:eu-repo/semantics/publishedVersio

Measurement of the W boson polarization in top quark decays with the ATLAS detector

measurement of the w boson polarization in top quark decays with the atlas detector

presents bosons decays missing lepton jets leptons jets. collisions atlas luminosity fractions longitudinally handed predictions. bosons decays lorentz couplings anomalous couplings.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet union cnrs irfu gnas georgia bmbf foundation gsrt greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mvzt slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan talk turkey stfc royal leverhulme trust kingdom america.info repo semantics publishedversio

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20024941

10.1007/jhep06(2012)109

A measurement of the mass difference between the top and the antitop quark (Δm [subscript t] = m [subscript t] − m[¯ over t] ) is performed using events with a muon or an electron and at least four jets in the final state. The analysis is based on data collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 4.96±0.11 fb[superscript −1], and yields the value of Δm [subscript t] = −0.44±0.46 (stat.)±0.27 (syst.) GeV. This result is consistent with equality of particle and antiparticle masses required by CPT invariance, and provides a significantly improved precision relative to existing measurements.National Science Foundation (U.S.)United States. Dept. of EnergyAlfred P. Sloan Foundatio

Measurement of the mass difference between top and antitop quarks

measurement of the mass difference between top and antitop quarks

antitop subscript subscript muon jets state. luminosity superscript subscript stat. syst. gev. equality antiparticle invariance precision measurements.national foundation u.s. states. dept. energyalfred sloan foundatio

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10128277

10.1007/jhep06(2012)151

Anomaly mediation is a ubiquitous source of supersymmetry (SUSY) breaking which appears in almost every theory of supergravity. In this paper, we show that anomaly mediation really consists of two physically distinct phenomena, which we dub “gravitino mediation” and “Kähler mediation”. Gravitino mediation arises from minimally uplifting SUSY anti-de Sitter (AdS) space to Minkowski space, generating soft masses proportional to the gravitino mass. Kähler mediation arises when visible sector fields have linear couplings to SUSY breaking in the Kähler potential, generating soft masses proportional to beta function coefficients. In the literature, these two phenomena are lumped together under the name “anomaly mediation”, but here we demonstrate that they can be physically disentangled by measuring associated couplings to the goldstino. In particular, we use the example of gaugino soft masses to show that gravitino mediation generates soft masses without corresponding goldstino couplings. This result naively violates the goldstino equivalence theorem but is in fact necessary for supercurrent conservation in AdS space. Since gravitino mediation persists even when the visible sector is sequestered from SUSY breaking, we can use the absence of goldstino couplings as an unambiguous definition of sequestering.United States. Dept. of Energy (Cooperative Research Agreement DE-FG02-05ER-41360)United States. Dept. of Energy (Early Career Research Program DE-FG02-11ER-41741

The two faces of anomaly mediation

the two faces of anomaly mediation

anomaly mediation ubiquitous supersymmetry susy breaking supergravity. anomaly mediation really physically phenomena “gravitino mediation” “kähler mediation”. gravitino mediation arises minimally uplifting susy sitter minkowski generating gravitino mass. kähler mediation arises visible couplings susy breaking kähler generating beta coefficients. phenomena lumped name “anomaly mediation” physically disentangled measuring couplings goldstino. gaugino gravitino mediation generates goldstino couplings. naively violates goldstino equivalence supercurrent conservation space. gravitino mediation persists visible sequestered susy breaking goldstino couplings unambiguous sequestering.united states. dept. cooperative states. dept. career

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28948624

10.1007/jhep06(2013)004

Numerous experiments currently underway offer the potential to indirectly probe new charged particles with masses at the weak scale. For example, the tentative excess in h → γγ decays and the tentative gamma-ray line in Fermi-LAT data have recently attracted attention as possible one-loop signatures of new charged particles. We explore the interplay between such signals, dark matter direct detection through Higgs exchange, and measurements of the electron EDM, by studying the size of these effects in several models. We compute one-loop effects to explore the relationship among couplings probed by different experiments. In particular, models in which dark matter and the Higgs both interact with charged particles at a detectable level typically induce, at loop level, couplings between dark matter and the Higgs that are around the level of current direct detection sensitivity. Intriguingly, one-loop h → γγ and DM DM → γγ, two-loop EDMs, and loop-induced direct detection rates are all coming within range of existing experiments for approximately the same range of charged particle masses, offering the prospect of an exciting coincidence of signals at collider, astrophysical, underground and atomic physics measurements.Physic

Probing charged matter through h → γγ, gamma ray lines, and EDMs

probing charged matter through h → γγ, gamma ray lines, and edms

numerous underway offer indirectly scale. tentative excess decays tentative gamma fermi attracted signatures particles. explore interplay studying models. explore couplings probed experiments. interact detectable induce couplings sensitivity. intriguingly edms coming offering prospect exciting coincidence collider astrophysical underground measurements.physic

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55632609

10.1007/jhep06(2013)033

A search for pair-produced third generation scalar leptoquarks is presented, using proton-proton collisions at √ s = 7 TeV at the LHC. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 4.7 fb−1 . Each leptoquark is assumed to decay to a tau lepton and a b-quark with a branching fraction equal to 100%. No statistically significant excess above the Standard Model expectation is observed. Third generation leptoquarks are therefore excluded at 95% confidence level for masses less than 534 GeV.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Search for third generation scalar leptoquarks in pp collisions at s√ = 7 TeV with the ATLAS detector

search for third generation scalar leptoquarks in pp collisions at s√ = 7 tev with the atlas detector

leptoquarks proton proton collisions lhc. atlas luminosity leptoquark lepton branching statistically excess expectation observed. leptoquarks excluded confidence gev.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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55632544

10.1007/jhep06(2013)084

This paper reports a measurement of the W+b-jets (W +b+X and W +b ¯b+X) production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. These results are based on data corresponding to an integrated luminosity of 4.6 fb−1 , collected with the ATLAS detector. Cross-sections are presented as a function of jet multiplicity and of the transverse momentum of the leading b-jet for both the muon and electron decay modes of the W boson. The W+b-jets cross-section, corrected for all known detector effects, is quoted in a limited kinematic range. Combining the muon and electron channels, the fiducial cross-section for W+b-jets is measured to be 7.1 ± 0.5 (stat) ± 1.4 (syst) pb, consistent with the next-to-leading order QCD prediction, corrected for non-perturbative and double-parton interactions (DPI) contributions, of 4.70 ± 0.09 (stat) +0.60 −0.49 (scale) ±0.06 (PDF) ±0.16 (non-pert) +0.52 −0.38 (DPI) pb.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Measurement of the cross-section for W boson production in association with b-jets in pp collisions at s√ = 7 TeV with the ATLAS detector

measurement of the cross-section for w boson production in association with b-jets in pp collisions at s√ = 7 tev with the atlas detector

jets proton proton collisions lhc. luminosity atlas detector. multiplicity muon boson. jets corrected quoted kinematic range. combining muon fiducial jets stat syst corrected perturbative parton stat pert pb.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mvzt slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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78054714

10.1007/jhep06(2014)009

A measurement of the triple-differential cross section, d[superscript 3]σ/(dp[superscript γ]Tdη[superscript γ]dη[superscript jet]) , in photon + jets final states using a data sample from proton-proton collisions at s√ = 7 TeV is presented. This sample corresponds to an integrated luminosity of 2.14 fb[superscript −1] collected by the CMS detector at the LHC. Photons and jets are reconstructed within a pseudorapidity range of |η| < 2.5, and are required to have transverse momenta in the range 40 < pjet[over]T < 300 GeV and pjet[over]T > 30 GeV, respectively. The measurements are compared to theoretical predictions from the sherpa leading-order QCD Monte Carlo event generator and the next-to-leading-order perturbative QCD calculation from jetphox. The predictions are found to be consistent with the data over most of the examined kinematic region.United States. Dept. of EnergyNational Science Foundation (U.S.

Measurement of the triple-differential cross section for photon + jets production in proton-proton collisions at s√ = 7 TeV

measurement of the triple-differential cross section for photon + jets production in proton-proton collisions at s√ = 7 tev

triple superscript superscript superscript superscript jets proton proton collisions presented. luminosity superscript lhc. photons jets reconstructed pseudorapidity momenta pjet pjet respectively. sherpa monte carlo generator perturbative jetphox. kinematic region.united states. dept. energynational foundation u.s.

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78054709

10.1007/jhep06(2014)120

The production of a Z boson, decaying into two leptons and produced in association with one or more b jets, is studied using proton-proton collisions delivered by the LHC at a centre-of-mass energy of 7 TeV. The data were recorded in 2011 with the CMS detector and correspond to an integrated luminosity of 5 fb[superscript −1]. The Z(ℓℓ) + b-jets cross sections (where ℓℓ = μμ or ee) are measured separately for a Z boson produced with exactly one b jet and with at least two b jets. In addition, a cross section ratio is extracted for a Z boson produced with at least one b jet, relative to a Z boson produced with at least one jet. The measured cross sections are compared to various theoretical predictions, and the data favour the predictions in the five-flavour scheme, where b quarks are assumed massless. The kinematic properties of the reconstructed particles are compared with the predictions from the MadGraph event generator using the pythia parton shower simulation.United States. Dept. of EnergyNational Science Foundation (U.S.

Measurement of the production cross sections for a Z boson and one or more b jets in pp collisions at √s = 7 TeV

measurement of the production cross sections for a z boson and one or more b jets in pp collisions at √s = 7 tev

boson decaying leptons jets proton proton collisions delivered tev. luminosity superscript jets separately boson jets. boson boson jet. favour flavour quarks massless. kinematic reconstructed madgraph generator pythia parton shower simulation.united states. dept. energynational foundation u.s.

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30841787

10.1007/jhep06(2014)124

A search is presented for direct top-squark pair production in final states with two leptons (electrons or muons) of opposite charge using 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$=8 TeV, collected by the ATLAS experiment at the Large Hadron Collider in 2012. No excess over the Standard Model expectation is found. The results are interpreted under the separate assumptions (i) that the top squark decays to a $b$-quark in addition to an on-shell chargino whose decay occurs via a real or virtual $W$ boson, or (ii) that the top squark decays to a $t$-quark and the lightest neutralino. A top squark with a mass between 150 GeV and 445 GeV decaying to a $b$-quark and an on-shell chargino is excluded at 95 % confidence level for a top squark mass equal to the chargino mass plus 10 GeV, in the case of a 1 GeV lightest neutralino. Top squarks with masses between 215 (90) GeV and 530 (170) GeV decaying to an on-shell (off-shell) $t$-quark and a neutralino are excluded at 95 % confidence level for a 1 GeV neutralino

Search for direct top-squark pair production in final states with two leptons in pp collisions at $\sqrt{s}$=8 TeV with the ATLAS detector

search for direct top-squark pair production in final states with two leptons in pp collisions at $\sqrt{s}$=8 tev with the atlas detector

squark leptons muons opposite collision sqrt atlas hadron collider excess expectation found. interpreted assumptions squark decays chargino virtual boson squark decays lightest neutralino. squark decaying chargino excluded confidence squark chargino lightest neutralino. squarks decaying neutralino excluded confidence neutralino

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78054713

10.1007/jhep06(2014)125

A search is performed for pair-produced spin-3/2 excited top quarks (t[superscript ∗][¯ over t][superscript ∗]), each decaying to a top quark and a gluon. The search uses data collected with the CMS detector from pp collisions at a center-of-mass energy of √s = 8 TeV, selecting events that have a single isolated muon or electron, an imbalance in transverse momentum, and at least six jets, of which one must be compatible with originating from the fragmentation of a b quark. The data, corresponding to an integrated luminosity of 19.5 fb[superscript −1], show no significant excess over standard model predictions, and provide a lower limit of 803 GeV at 95% confidence on the mass of the spin-3/2 t* quark in an extension of the Randall-Sundrum model, assuming a 100% branching fraction of its decay into a top quark and a gluon. This is the first search for a spin-3/2 excited top quark performed at the LHC.United States. Dept. of EnergyNational Science Foundation (U.S.)Alfred P. Sloan Foundatio

Search for pair production of excited top quarks in the lepton + jets final state

search for pair production of excited top quarks in the lepton + jets final state

excited quarks superscript superscript decaying gluon. collisions selecting muon imbalance jets compatible originating fragmentation quark. luminosity superscript excess confidence randall sundrum branching gluon. excited lhc.united states. dept. energynational foundation u.s. alfred sloan foundatio

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78063457

10.1007/jhep06(2015)032

The identification of hadronically decaying heavy states, such as vector bosons, the Higgs, or the top quark, produced with large transverse boosts has been and will continue to be a central focus of the jet physics program at the Large Hadron Collider (LHC). At a future hadron collider working at an order-of-magnitude larger energy than the LHC, these heavy states would be easily produced with transverse boosts of several TeV. At these energies, their decay products will be separated by angular scales comparable to individual calorimeter cells, making the current jet substructure identification techniques for hadronic decay modes not directly employable. In addition, at the high energy and luminosity projected at a future hadron collider, there will be numerous sources for contamination including initial- and final-state radiation, underlying event, or pile-up which must be mitigated. We propose a simple strategy to tag such “hyper-boosted” objects that defines jets with radii that scale inversely proportional to their transverse boost and combines the standard calorimetric information with charged track-based observables. By means of a fast detector simulation, we apply it to top quark identification and demonstrate that our method efficiently discriminates hadronically decaying top quarks from light QCD jets up to transverse boosts of 20 TeV. Our results open the way to tagging heavy objects with energies in the multi-TeV range at present and future hadron colliders.MIT International Science and Technology Initiatives. MIT-Belgium ProgramEuropean Research Council (Grant 291377 "LHCTheory")European Union. Research Executive Agency (Grant Agreement PITN-GA-2012-315877)Belgian National Foundation for Scientific ResearchIISN "MadGraph" convention 4.4511.10IISN "Fundamental interactions" convention 4.4517.08Belgian Federal Science Policy Office (Interuniversity Attraction Pole P7/37

Tracking down hyper-boosted top quarks

tracking down hyper-boosted top quarks

hadronically decaying bosons boosts continue hadron collider hadron collider boosts tev. separated comparable calorimeter substructure hadronic employable. luminosity projected hadron collider numerous contamination pile mitigated. propose “hyper boosted” defines jets radii inversely boost combines calorimetric track observables. efficiently discriminates hadronically decaying quarks jets boosts tev. tagging hadron colliders.mit initiatives. belgium programeuropean council lhctheory union. executive agency pitn belgian foundation researchiisn madgraph convention iisn convention belgian federal office interuniversity attraction pole

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78063458

10.1007/jhep06(2015)077

The singular limits of massless gauge theory amplitudes are described by an effective theory, called soft-collinear effective theory (SCET), which has been applied most successfully to make all-orders predictions for observables in collider physics and weak decays. At tree-level, the emission of a soft gauge boson at subleading order in its energy is given by the Low-Burnett-Kroll theorem, with the angular momentum operator acting on a lower-point amplitude. For well separated particles at tree-level, we prove the Low-Burnett-Kroll theorem using matrix elements of subleading SCET Lagrangian and operator insertions which are individually gauge invariant. These contributions are uniquely determined by gauge invariance and the reparametrization invariance (RPI) symmetry of SCET. RPI in SCET is connected to the infinite-dimensional asymptotic symmetries of the S-matrix. The Low-Burnett-Kroll theorem is generically spoiled by on-shell corrections, including collinear loops and collinear emissions. We demonstrate this explicitly both at tree-level and at one-loop. The effective theory correctly describes these configurations, and we generalize the Low-Burnett-Kroll theorem into a new one-loop subleading soft theorem for amplitudes. Our analysis is presented in a manner that illustrates the wider utility of using effective theory techniques to understand the perturbative S-matrix.United States. Dept. of Energy. Office of Nuclear Physics (DE-SC0011090)United States. Dept. of Energy. Office of High Energy Physics (DE-SC00012567)Simons Foundation (Investigator Grant 327942)MIT Department of Physics Pappalardo Program (Fellowship

Soft theorems from effective field theory

soft theorems from effective field theory

singular massless amplitudes collinear scet successfully orders observables collider decays. boson subleading burnett kroll acting amplitude. separated burnett kroll subleading scet lagrangian insertions individually invariant. uniquely invariance reparametrization invariance scet. scet infinite asymptotic symmetries matrix. burnett kroll generically spoiled collinear loops collinear emissions. explicitly loop. correctly describes configurations generalize burnett kroll subleading amplitudes. manner illustrates wider utility perturbative matrix.united states. dept. energy. office states. dept. energy. office simons foundation investigator pappalardo fellowship

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33381543

10.1007/jhep06(2015)116

Citation: Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Asilar, E., Bergauer, T., . . . Collaboration, C. M. S. (2015). Searches for third-generation squark production in fully hadronic final states in proton-proton collisions at root s=8 TeV. Journal of High Energy Physics(6), 65. doi:10.1007/jhep06(2015)116Searches for third-generation squarks in fully hadronic final states are presented using data samples corresponding to integrated luminosities of 19.4 or 19.7 fb(-1), collected at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. Three mutually exclusive searches are presented, each optimized for a different decay topology. They include a multijet search requiring one fully reconstructed top quark, a dijet search requiring one or two jets originating from b quarks, and a monojet search. No excesses above the standard model expectations are seen, and limits are set on top and bottom squark production in the context of simplified models of supersymmetry.Additional Authors: Hormann, N.;Hrubec, J.;Jeitler, M.;Knunz, V.;Konig, A.;Krammer, M.;Kratschmer, I.;Liko, D.;Mikulec, I.;Rabady, D.;Rahbaran, B.;Rohringer, H.;Schieck, J.;Schofbeck, R.;Strauss, J.;Treberer-Treberspurg, W.;Waltenberger, W.;Wulz, C. E.;Mossolov, V.;Shumeiko, N.;Gonzalez, J. S.;Alderweireldt, S.;Cornelis, T.;De Wolf, E. A.;Janssen, X.;Knutsson, A.;Lauwers, J.;Luyckx, S.;Ochesanu, S.;Rougny, R.;Van de Klundert, M.;Van Haevermaet, H.;Van Mechelen, P.;Van Remortel, N.;Van Spilbeeck, A.;Abu Zeid, S.;Blekman, F.;D'Hondt, J.;Daci, N.;De Bruyn, I.;Deroover, K.;Heracleous, N.;Keaveney, J.;Lowette, S.;Moreels, L.;Olbrechts, A.;Python, Q.;Strom, D.;Tavernier, S.;Van Doninck, W.;Van Mulders, P.;Van Onsem, G. P.;Van Parijs, I.;Barria, P.;Caillol, C.;Clerbaux, B.;De Lentdecker, G.;Delannoy, H.;Dobur, D.;Fasanella, G.;Favart, L.;Gay, A. P. R.;Grebenyuk, A.;Leonard, A.;Mohammadi, A.;Pernie, L.;Randleconde, A.;Reis, T.;Seva, T.;Thomas, L.;Vander Velde, C.;Vanlaer, P.;Wang, J.;Zenoni, F.;Beernaert, K.;Benucci, L.;Cimmino, A.;Crucy, S.;Fagot, A.;Garcia, G.;Gul, M.;McCartin, J.;Rios, A. A. O.;Poyraz, D.;Ryckbosch, D.;Diblen, S. S.;Sigamani, M.;Strobbe, N.;Thyssen, F.;Tytgat, M.;Van Driessche, W.;Yazgan, E.;Zaganidis, N.;Basegmez, S.;Beluffi, C.;Bruno, G.;Castello, R.;Caudron, A.;Ceard, L.;Da Silveira, G. G.;Delaere, C.;du Pree, T.;Favart, D.;Forthomme, L.;Giammanco, A.;Hollar, J.;Jafari, A.;Jez, P.;Komm, M.;Lemaitre, V.;Mertens, A.;Nuttens, C.;Perrini, L.;Pin, A.;Piotrzkowski, K.;Popov, A.;Quertenmont, L.;Selvaggi, M.;Marono, M. V.;Beliy, N.;Caebergs, T.;Hammad, G. H.;Alda, W. L.;Alves, G. A.;Brito, L.;Martins, M. M.;Martins, T. D.;Hensel, C.;Herrera, C. M.;Moraes, A.;Pol, M. E.;Teles, P. R.;Das Chagas, E. B. B.;Carvalho, W.;Chinellato, J.;Custodio, A.;Da Costa, E. M.;Damiao, D. D.;Martins, C. D.;De Souza, S. F.;Guativa, L. M. H.;Malbouisson, H.;Figueiredo, D. M.;Mundim, L.;Nogima, H.;Da Silva, W. L. P.;Santaolalla, J.;Santoro, A.;Sznajder, A.;Manganote, E. J. T.;Pereira, A. V.;Ahuja, S.;Bernardes, C. A.;Dogra, S.;Tomei, Trfp;Gregores, E. M.;Mercadante, P. G.;Novaes, S. F.;Padula, S. S.;Abad, D. R.;Vargas, J. C. R.;Aleksandrov, A.;Genchev, V.;Hadjiiska, R.;Iaydjiev, P.;Marinov, A.;Piperov, S.;Rodozov, M.;Stoykova, S.;Sultanov, G.;Vutova, M.;Dimitrov, A.;Glushkov, I.;Litov, L.;Pavlov, B.;Petkov, P.;Ahmad, M.;Bian, J. G.;Chen, G. M.;Chen, H. S.;Chen, M.;Cheng, T.;Du, R.;Jiang, C. H.;Plestina, R.;Romeo, F.;Shaheen, S. M.;Tao, J.;Wang, C.;Wang, Z.;Asawatangtrakuldee, C.;Ban, Y.;Chen, G.;Li, Q.;Liu, S.;Mao, Y.;Qian, S. J.;Wang, D.;Wang, M.;Wang, Q.;Xu, Z.;Yang, D.;Zhang, F.;Zhang, L.;Zhang, Z.;Zou, W.;Avila, C.;Cabrera, A.;Sierra, L. F. C.;Florez, C.;Gomez, J. P.;Moreno, B. G.;Sanabria, J. C.;Godinovic, N.;Lelas, D.;Polic, D.;Puljak, I.;Antunovic, Z.;Kovac, M.;Brigljevic, V.;Kadija, K.;Luetic, J.;Sudic, L.;Attikis, A.;Mavromanolakis, G.;Mousa, J.;Nicolaou, C.;Ptochos, F.;Razis, P. A.;Rykaczewski, H.;Bodlak, M.;Finger, M.;Finger, M.;Ali, A.;Aly, R.;Aly, S.;Assran, Y.;Kamel, A. E.;Lotfy, A.;Masod, R.;Calpas, B.;Kadastik, M.;Murumaa, M.;Raidal, M.;Tiko, A.;Veelken, C.;Eerola, P.;Voutilainen, M.;Harkonen, J.;Karimaki, V.;Kinnunen, R.;Lampen, T.;Lassila-Perini, K.;Lehti, S.;Linden, T.;Luukka, P.;Maenpaa, T.;Peltola, T.;Tuominen, E.;Tuominiemi, J.;Tuovinen, E.;Wendland, L.;Talvitie, J.;Tuuva, T.;Besancon, M.;Couderc, F.;Dejardin, M.;Denegri, D.;Fabbro, B.;Faure, J. L.;Favaro, C.;Ferri, F.;Ganjour, S.;Givernaud, A.;Gras, P.;de Monchenault, G. H.;Jarry, P.;Locci, E.;Malcles, J.;Rander, J.;Rosowsky, A.;Titov, M.;Zghiche, A.;Baffioni, S.;Beaudette, F.;Busson, P.;Cadamuro, L.;Chapon, E.;Charlot, C.;Dahms, T.;Davignon, O.;Filipovic, N.;Florent, A.;de Cassagnac, R. G.;Mastrolorenzo, L.;Mine, P.;Naranjo, I. N.;Nguyen, M.;Ochando, C.;Ortona, G.;Paganini, P.;Regnard, S.;Salerno, R.;Sauvan, J. B.;Sirois, Y.;Strebler, T.;Yilmaz, Y.;Zabi, A.;Agram, J. L.;Andrea, J.;Aubin, A.;Bloch, D.;Brom, J. M.;Buttignol, M.;Chabert, E. C.;Chanon, N.;Collard, C.;Conte, E.;Fontaine, J. C.;Gele, D.;Goerlach, U.;Goetzmann, C.;Le Bihan, A. C.;Merlin, J. A.;Skovpen, K.;Van Hove, P.;Gadrat, S.;Beauceron, S.;Beaupere, N.;Bernet, C.;Boudoul, G.;Bouvier, E.;Brochet, S.;Montoya, C. A. C.;Chasserat, J.;Chierici, R.;Contardo, D.;Courbon, B.;Depasse, P.;El Mamouni, H.;Fan, J.;Fay, J.;Gascon, S.;Gouzevitch, M.;Ille, B.;Laktineh, I. B.;Lethuillier, M.;Mirabito, L.;Pequegnot, A. L.;Perries, S.;Alvarez, J. D. R.;Sabes, D.;Sgandurra, L.;Sordini, V.;Vander Donckt, M.;Verdier, P.;Viret, S.;Xiao, H.;Tsamalaidze, Z.;Autermann, C.;Beranek, S.;Bontenackels, M.;Edelhoff, M.;Feld, L.;Heister, A.;Kiesel, M. K.;Klein, K.;Lipinski, M.;Ostapchuk, A.;Preuten, M.;Raupach, F.;Sammet, J.;Schael, S.;Schulte, J. F.;Verlage, T.;Weber, H.;Wittmer, B.;Zhukov, V.;Ata, M.;Brodski, M.;Dietz-Laursonn, E.;Duchardt, D.;Endres, M.;Erdmann, M.;Erdweg, S.;Esch, T.;Fischer, R.;Guth, A.;Hebbeker, T.;Heidemann, C.;Hoepfner, K.;Klingebiel, D.;Knutzen, S.;Kreuzer, P.;Merschmeyer, M.;Meyer, A.;Millet, P.;Olschewski, M.;Padeken, K.;Papacz, P.;Pook, T.;Radziej, M.;Reithler, H.;Rieger, M.;Schmitz, S. A.;Sonnenschein, L.;Teyssier, D.;Thuer, S.;Cherepanov, V.;Erdogan, Y.;Flugge, G.;Geenen, H.;Geisler, M.;Ahmad, W. H.;Hoehle, F.;Kargoll, B.;Kress, T.;Kuessel, Y.;Kunsken, A.;Lingemann, J.;Nowack, A.;Nugent, I. M.;Pistone, C.;Pooth, O.;Stahl, A.;Martin, M. A.;Asin, I.;Bartosik, N.;Behnke, O.;Behrens, U.;Bell, A. J.;Borras, K.;Burgmeier, A.;Cakir, A.;Calligaris, L.;Campbell, A.;Choudhury, S.;Costanza, F.;Pardos, C. D.;Dolinska, G.;Dooling, S.;Dorland, T.;Eckerlin, G.;Eckstein, D.;Eichhorn, T.;Flucke, G.;Garcia, J. G.;Geiser, A.;Gizhko, A.;Gunnellini, P.;Hauk, J.;Hempel, M.;Jung, H.;Kalogeropoulos, A.;Karacheban, O.;Kasemann, M.;Katsas, P.;Kieseler, J.;Kleinwort, C.;Korol, I.;Lange, W.;Leonard, J.;Lipka, K.;Lobanov, A.;Mankel, R.;Marfin, I.;Melzer-Pellmann, I. A.;Meyer, A. B.;Mittag, G.;Mnich, J.;Mussgiller, A.;Naumann-Emme, S.;Nayak, A.;Ntomari, E.;Perrey, H.;Pitzl, D.;Placakyte, R.;Raspereza, A.;Cipriano, P. M. R.;Roland, B.;Sahin, M. O.;Salfeld-Nebgen, J.;Saxena, P.;Schoerner-Sadenius, T.;Schroder, M.;Seitz, C.;Spannagel, S.;Wissing, C.;Blobel, V.;Vignali, M. C.;Draeger, A. R.;Erfle, J.;Garutti, E.;Goebel, K.;Gonzalez, D.;Gorner, M.;Haller, J.;Hoffmann, M.;Hoing, R. S.;Junkes, A.;Kirschenmann, H.;Klanner, R.;Kogler, R.;Lapsien, T.;Lenz, T.;Marchesini, I.;Marconi, D.;Nowatschin, D.;Ott, J.;Peiffer, T.;Perieanu, A.;Pietsch, N.;Poehlsen, J.;Rathjens, D.;Sander, C.;Schettler, H.;Schleper, P.;Schlieckau, E.;Schmidt, A.;Seidel, M.;Sola, V.;Stadie, H.;Steinbruck, G.;Tholen, H.;Troendle, D.;Usai, E.;Vanelderen, L.;Vanhoefer, A.;Akbiyik, M.;Barth, C.;Baus, C.;Berger, J.;Boser, C.;Butz, E.;Chwalek, T.;Colombo, F.;De Boer, W.;Descroix, A.;Dierlamm, A.;Feindt, M.;Frensch, F.;Giffels, M.;Gilbert, A.;Hartmann, F.;Husemann, U.;Katkov, I.;Kornmayer, A.;Pardo, P. L.;Mozer, M. U.;Muller, T.;Muller, T.;Plagge, M.;Quast, G.;Rabbertz, K.;Rocker, S.;Roscher, F.;Simonis, H. J.;Stober, F. M.;Ulrich, R.;Wagner-Kuhr, J.;Wayand, S.;Weiler, T.;Wohrmann, C.;Wolf, R.;Anagnostou, G.;Daskalakis, G.;Geralis, T.;Giakoumopoulou, V. A.;Kyriakis, A.;Loukas, D.;Markou, A.;Psallidas, A.;Topsis-Giotis, I.;Agapitos, A.;Kesisoglou, S.;Panagiotou, A.;Saoulidou, N.;Tziaferi, E.;Evangelou, I.;Flouris, G.;Foudas, C.;Kokkas, P.;Loukas, N.;Manthos, N.;Papadopoulos, I.;Paradas, E.;Strologas, J.;Bencze, G.;Hajdu, C.;Hazi, A.;Hidas, P.;Horvath, D.;Sikler, F.;Veszpremi, V.;Vesztergombi, G.;Zsigmond, A. J.;Beni, N.;Czellar, S.;Karancsi, J.;Molnar, J.;Palinkas, J.;Szillasi, Z.;Bartok, M.;Makovec, A.;Raics, P.;Trocsanyi, Z. L.;Mal, P.;Mandal, K.;Sahoo, N.;Swain, S. K.;Bansal, S.;Beri, S. B.;Bhatnagar, V.;Chawla, R.;Gupta, R.;Bhawandeep, U.;Kalsi, A. K.;Kaur, A.;Kaur, M.;Kumar, R.;Mehta, A.;Mittal, M.;Nishu, N.;Singh, J. B.;Kumar, A.;Kumar, A.;Bhardwaj, A.;Choudhary, B. C.;Kumar, A.;Malhotra, S.;Naimuddin, M.;Ranjan, K.;Sharma, R.;Sharma, V.;Banerjee, S.;Bhattacharya, S.;Chatterjee, K.;Dey, S.;Dutta, S.;Gomber, B.;Jain, S.;Jain, S.;Khurana, R.;Majumdar, N.;Modak, A.;Mondal, K.;Mukherjee, S.;Mukhopadhyay, S.;Roy, A.;Roy, D.;Chowdhury, S. R.;Sarkar, S.;Sharan, M.;Abdulsalam, A.;Dutta, D.;Jha, V.;Kumar, V.;Mohanty, A. K.;Pant, L. M.;Shukla, P.;Topkar, A.;Aziz, T.;Banerjee, S.;Bhowmik, S.;Chatterjee, R. M.;Dewanjee, R. K.;Dugad, S.;Ganguly, S.;Ghosh, S.;Guchait, M.;Gurtu, A.;Kole, G.;Kumar, S.;Maity, M.;Majumder, G.;Mazumdar, K.;Mohanty, G. B.;Parida, B.;Sudhakar, K.;Sur, N.;Sutar, B.;Wickramage, N.;Sharma, S.;Bakhshiansohi, H.;Behnamian, H.;Etesami, S. M.;Fahim, A.;Goldouzian, R.;Khakzad, M.;Najafabadi, M. M.;Naseri, M.;Mehdiabadi, S. P.;Hosseinabadi, F. R.;Safarzadeh, B.;Zeinali, M.;Felcini, M.;Grunewald, M.;Abbrescia, M.;Calabria, C.;Caputo, C.;Chhibra, S. S.;Colaleo, A.;Creanza, D.;Cristella, L.;De Filippis, N.;De Palma, M.;Fiore, L.;Iaselli, G.;Maggi, G.;Maggi, M.;Miniello, G.;My, S.;Nuzzo, S.;Pompili, A.;Pugliese, G.;Radogna, R.;Ranieri, A.;Selvaggi, G.;Sharma, A.;Silvestris, L.;Venditti, R.;Verwilligen, P.;Abbiendi, G.;Battilana, C.;Benvenuti, A. C.;Bonacorsi, D.;Braibant-Giacomelli, S.;Brigliadori, L.;Campanini, R.;Capiluppi, P.;Castro, A.;Cavallo, F. R.;Codispoti, G.;Cuffiani, M.;Dallavalle, G. M.;Fabbri, F.;Fanfani, A.;Fasanella, D.;Giacomelli, P.;Grandi, C.;Guiducci, L.;Marcellini, S.;Masetti, G.;Montanari, A.;Navarria, F. L.;Perrotta, A.;Rossi, A. M.;Rovelli, T.;Siroli, G. P.;Tosi, N.;Travaglini, R.;Cappello, G.;Chiorboli, M.;Costa, S.;Giordano, F.;Potenza, R.;Tricomi, A.;Tuve, C.;Barbagli, G.;Ciulli, V.;Civinini, C.;D'Alessandro, R.;Focardi, E.;Gallo, E.;Gonzi, S.;Gori, V.;Lenzi, P.;Meschini, M.;Paoletti, S.;Sguazzoni, G.;Tropiano, A.;Viliani, L.;Benussi, L.;Bianco, S.;Fabbri, F.;Piccolo, D.;Calvelli, V.;Ferro, F.;Lo Vetere, M.;Robutti, E.;Tosi, S.;Dinardo, M. E.;Fiorendi, S.;Gennai, S.;Gerosa, R.;Ghezzi, A.;Govoni, P.;Lucchini, M. T.;Malvezzi, S.;Manzoni, R. A.;Marzocchi, B.;Menasce, D.;Moroni, L.;Paganoni, M.;Pedrini, D.;Ragazzi, S.;Redaelli, N.;De Fatis, T. T.;Buontempo, S.;Cavallo, N.;Di Guida, S.;Esposito, M.;Fabozzi, F.;Iorio, A. O. M.;Lanza, G.;Lista, L.;Meola, S.;Merola, M.;Paolucci, P.;Sciacca, C.;Azzi, P.;Bacchetta, N.;Bisello, D.;Carlin, R.;De Oliveira, A. C. A.;Checchia, P.;Dall'Osso, M.;Dorigo, T.;Dosselli, U.;Gasparini, F.;Gasparini, U.;Gozzelino, A.;Lacaprara, S.;Margoni, M.;Meneguzzo, A. T.;Pazzini, J.;Pegoraro, M.;Pozzobon, N.;Ronchese, P.;Simonetto, F.;Torassa, E.;Tosi, M.;Vanini, S.;Zanetti, M.;Zotto, P.;Zucchetta, A.;Gabusi, M.;Magnani, A.;Ratti, S. P.;Re, V.;Riccardi, C.;Salvini, P.;Vai, I.;Vitulo, P.;Solestizi, L. A.;Biasini, M.;Bilei, G. M.;Ciangottini, D.;Fano, L.;Lariccia, P.;Mantovani, G.;Menichelli, M.;Saha, A.;Santocchia, A.;Spiezia, A.;Androsov, K.;Azzurri, P.;Bagliesi, G.;Bernardini, J.;Boccali, T.;Broccolo, G.;Castaldi, R.;Ciocci, M. A.;Dell'Orso, R.;Donato, S.;Fedi, G.;Fiori, F.;Foa, L.;Giassi, A.;Grippo, M. T.;Ligabue, F.;Lomtadze, T.;Martini, L.;Messineo, A.;Moon, C. S.;Palla, F.;Rizzi, A.;Savoy-Navarro, A.;Serban, A. T.;Spagnolo, P.;Squillacioti, P.;Tenchini, R.;Tonelli, G.;Venturi, A.;Verdini, P. G.;Barone, L.;Cavallari, F.;D'Imperio, G.;Del Re, D.;Diemoz, M.;Gelli, S.;Jorda, C.;Longo, E.;Margaroli, F.;Meridiani, P.;Micheli, F.;Organtini, G.;Paramatti, R.;Preiato, F.;Rahatlou, S.;Rovelli, C.;Santanastasio, F.;Soffi, L.;Traczyk, P.;Amapane, N.;Arcidiacono, R.;Argiro, S.;Arneodo, M.;Bellan, R.;Biino, C.;Cartiglia, N.;Casasso, S.;Costa, M.;Covarelli, R.;Degano, A.;Demaria, N.;Finco, L.;Kiani, B.;Mariotti, C.;Maselli, S.;Mazza, G.;Migliore, E.;Monaco, V.;Musich, M.;Obertino, M. M.;Pacher, L.;Pastrone, N.;Pelliccioni, M.;Angioni, G. L. P.;Romero, A.;Ruspa, M.;Sacchi, R.;Solano, A.;Staiano, A.;Belforte, S.;Candelise, V.;Casarsa, M.;Cossutti, F.;Della Ricca, G.;Gobbo, B.;La Licata, C.;Marone, M.;Schizzi, A.;Umer, T.;Zanetti, A.;Chang, S.;Kropivnitskaya, A.;Nam, S. K.;Kim, D. H.;Kim, G. N.;Kim, M. S.;Kong, D. J.;Lee, S.;Oh, Y. D.;Park, H.;Sakharov, A.;Son, D. C.;Kim, H.;Kim, T. J.;Ryu, M. S.;Song, S.;Choi, S.;Go, Y.;Gyun, D.;Hong, B.;Jo, M.;Kim, H.;Kim, Y.;Lee, B.;Lee, K.;Lee, K. S.;Lee, S.;Park, S. K.;Roh, Y.;Yoo, H. D.;Choi, M.;Kim, J. H.;Lee, J. S. H.;Park, I. C.;Ryu, G.;Choi, Y.;Choi, Y. K.;Goh, J.;Kim, D.;Kwon, E.;Lee, J.;Yu, I.;Juodagalvis, A.;Vaitkus, J.;Ibrahim, Z. A.;Komaragiri, R.;Ali, Mabm;Idris, F. M.;Abdullah, Watw;Linares, E. C.;Castilla-Valdez, H.;De La Cruz-Burelo, E.;Heredia-de La Cruz, I.;Hernandez-Almada, A.;Lopez-Fernandez, R.;Sanchez, G. R.;Sanchez-Hernandez, A.;Moreno, S. C.;Valencia, F. V.;Carpinteyro, S.;Pedraza, I.;Ibarguen, H. A. S.;Pineda, A. M.;Krofcheck, D.;Butler, P. H.;Reucroft, S.;Ahmad, A.;Ahmad, M.;Hassan, Q.;Hoorani, H. R.;Khan, W. A.;Khurshid, T.;Shoaib, M.;Bialkowska, H.;Bluj, M.;Boimska, B.;Frueboes, T.;Gorski, M.;Kazana, M.;Nawrocki, K.;Romanowska-Rybinska, K.;Szleper, M.;Zalewski, P.;Brona, G.;Bunkowski, K.;Doroba, K.;Kalinowski, A.;Konecki, M.;Krolikowski, J.;Misiura, M.;Olszewski, M.;Walczak, M.;Bargassa, P.;Silva, Cbde;Di Francesco, A.;Faccioli, P.;Parracho, P. G. F.;Gallinaro, M.;Iglesias, L. L.;Nguyen, F.;Antunes, J. R.;Seixas, J.;Toldaiev, O.;Vadruccio, D.;Varela, J.;Vischia, P.;Afanasiev, S.;Bunin, P.;Gavrilenko, M.;Golutvin, I.;Gorbunov, I.;Kamenev, A.;Karjavin, V.;Konoplyanikov, V.;Lanev, A.;Malakhov, A.;Matveev, V.;Moisenz, P.;Palichik, V.;Perelygin, V.;Shmatov, S.;Shulha, S.;Skatchkov, N.;Smirnov, V.;Toriashvili, T.;Zarubin, A.;Golovtsov, V.;Ivanov, Y.;Kim, V.;Kuznetsova, E.;Levchenko, P.;Murzin, V.;Oreshkin, V.;Smirnov, I.;Sulimov, V.;Uvarov, L.;Vavilov, S.;Vorobyev, A.;Andreev, Y.;Dermenev, A.;Gninenko, S.;Golubev, N.;Karneyeu, A.;Kirsanov, M.;Krasnikov, N.;Pashenkov, A.;Tlisov, D.;Toropin, A.;Epshteyn, V.;Gavrilov, V.;Lychkovskaya, N.;Popov, V.;Pozdnyakov, I.;Safronov, G.;Spiridonov, A.;Vlasov, E.;Zhokin, A.;Andreev, V.;Azarkin, M.;Dremin, I.;Kirakosyan, M.;Leonidov, A.;Mesyats, G.;Rusakov, S. V.;Vinogradov, A.;Baskakov, A.;Belyaev, A.;Boos, E.;Dubinin, M.;Dudko, L.;Ershov, A.;Gribushin, A.;Klyukhin, V.;Kodolova, O.;Lokhtin, I.;Myagkov, I.;Obraztsov, S.;Petrushanko, S.;Savrin, V.;Snigirev, A.;Azhgirey, I.;Bayshev, I.;Bitioukov, S.;Kachanov, V.;Kalinin, A.;Konstantinov, D.;Krychkine, V.;Petrov, V.;Ryutin, R.;Sobol, A.;Tourtchanovitch, L.;Troshin, S.;Tyurin, N.;Uzunian, A.;Volkov, A.;Adzic, P.;Ekmedzic, M.;Milosevic, J.;Rekovic, V.;Maestre, J. A.;Calvo, E.;Cerrada, M.;Llatas, M. C.;Colino, N.;De La Cruz, B.;Peris, A. D.;Vazquez, D. D.;Del Valle, A. E.;Bedoya, C. F.;Ramos, J. P. F.;Flix, J.;Fouz, M. C.;Garcia-Abia, P.;Lopez, O. G.;Lopez, S. G.;Hernandez, J. M.;Josa, M. I.;De Martino, E. N.;Yzquierdo, A. P. C.;Pelayo, J. P.;Olmeda, A. Q.;Redondo, I.;Romero, L.;Soares, M. S.;Albajar, C.;de Troconiz, J. F.;Missiroli, M.;Moran, D.;Brun, H.;Cuevas, J.;Menendez, J. F.;Folgueras, S.;Caballero, I. G.;Cortezon, E. P.;Garcia, J. M. V.;Cifuentes, J. A. B.;Cabrillo, I. J.;Calderon, A.;De Saa, J. R. C.;Campderros, J. D.;Fernandez, M.;Gomez, G.;Graziano, A.;Virto, A. L.;Marco, J.;Marco, R.;Rivero, C. M.;Matorras, F.;Sanchez, F. J.;Gomez, J. P.;Rodrigo, T.;Rodriguez-Marrero, A. Y.;Ruiz-Jimeno, A.;Scodellaro, L.;Vila, I.;Cortabitarte, R. V.;Abbaneo, D.;Auffray, E.;Auzinger, G.;Bachtis, M.;Baillon, P.;Ball, A. H.;Barney, D.;Benaglia, A.;Bendavid, J.;Benhabib, L.;Benitez, J. F.;Berruti, G. M.;Bloch, P.;Bocci, A.;Bonato, A.;Botta, C.;Breuker, H.;Camporesi, T.;Cerminara, G.;Colafranceschi, S.;D'Alfonso, M.;d'Enterria, D.;Dabrowski, A.;Daponte, V.;David, A.;De Gruttola, M.;De Guio, F.;De Roeck, A.;De Visscher, S.;Di Marco, E.;Dobson, M.;Dordevic, M.;Dupont-Sagorin, N.;Elliott-Peisert, A.;Franzoni, G.;Funk, W.;Gigi, D.;Gill, K.;Giordano, D.;Girone, M.;Glege, F.;Guida, R.;Gundacker, S.;Guthoff, M.;Hammer, J.;Hansen, M.;Harris, P.;Hegeman, J.;Innocente, V.;Janot, P.;Kortelainen, M. J.;Kousouris, K.;Krajczar, K.;Lecoq, P.;Lourenco, C.;Magini, N.;Malgeri, L.;Mannelli, M.;Marrouche, J.;Martelli, A.;Masetti, L.;Meijers, F.;Mersi, S.;Meschi, E.;Moortgat, F.;Morovic, S.;Mulders, M.;Nemallapudi, M. V.;Neugebauer, H.;Orfanelli, S.;Orsini, L.;Pape, L.;Perez, E.;Petrilli, A.;Petrucciani, G.;Pfeiffer, A.;Piparo, D.;Racz, A.;Rolandi, G.;Rovere, M.;Ruan, M.;Sakulin, H.;Schafer, C.;Schwick, C.;Sharma, A.;Silva, P.;Simon, M.;Sphicas, P.;Spiga, D.;Steggemann, J.;Stieger, B.;Stoye, M.;Takahashi, Y.;Treille, D.;Tsirou, A.;Veres, G. I.;Wardle, N.;Wohri, H. K.;Zagozdzinska, A.;Zeuner, W. D.;Bertl, W.;Deiters, K.;Erdmann, W.;Horisberger, R.;Ingram, Q.;Kaestli, H. C.;Kotlinski, D.;Langenegger, U.;Rohe, T.;Bachmair, F.;Bani, L.;Bianchini, L.;Buchmann, M. A.;Casal, B.;Dissertori, G.;Dittmar, M.;Donega, M.;Dunser, M.;Eller, P.;Grab, C.;Heidegger, C.;Hits, D.;Hoss, J.;Kasieczka, G.;Lustermann, W.;Mangano, B.;Marini, A. C.;Marionneau, M.;del Arbol, P. M. R.;Masciovecchio, M.;Meister, D.;Mohr, N.;Musella, P.;Nessi-Tedaldi, F.;Pandolfi, F.;Pata, J.;Pauss, F.;Perrozzi, L.;Peruzzi, M.;Quittnat, M.;Rossini, M.;Starodumov, A.;Takahashi, M.;Tavolaro, V. R.;Theofilatos, K.;Wallny, R.;Weber, A.;Aarrestad, T. K.;Amsler, C.;Canelli, M. F.;Chiochia, V.;De Cosa, A.;Galloni, C.;Hinzmann, A.;Hreus, T.;Kilminster, B.;Lange, C.;Ngadiuba, J.;Pinna, D.;Robmann, P.;Ronga, F. J.;Salerno, D.;Taroni, S.;Yang, Y.;Cardaci, M.;Chen, K. H.;Doan, T. H.;Ferro, C.;Konyushikhin, M.;Kuo, C. M.;Lin, W.;Lu, Y. J.;Volpe, R.;Yu, S. S.;Chang, P.;Chang, Y. H.;Chang, Y. W.;Chao, Y.;Chen, K. F.;Chen, P. H.;Dietz, C.;Grundler, U.;Hou, W. S.;Hsiung, Y.;Liu, Y. F.;Lu, R. S.;Moya, M. M.;Petrakou, E.;Tsai, J. F.;Tzeng, Y. M.;Wilken, R.;Asavapibhop, B.;Singh, G.;Srimanobhas, N.;Suwonjandee, N.;Adiguzel, A.;Cerci, S.;Dozen, C.;Girgis, S.;Gokbulut, G.;Guler, Y.;Gurpinar, E.;Hos, I.;Kangal, E. E.;Topaksu, A. K.;Onengut, G.;Ozdemir, K.;Ozturk, S.;Tali, B.;Topakli, H.;Vergili, M.;Zorbilmez, C.;Akin, I. V.;Bilin, B.;Bilmis, S.;Isildak, B.;Karapinar, G.;Surat, U. E.;Yalvac, M.;Zeyrek, M.;Albayrak, E. A.;Gulmez, E.;Kaya, M.;Kaya, O.;Yetkin, T.;Cankocak, K.;Gunaydin, Y. O.;Vardarli, F. I.;Grynyov, B.;Levchuk, L.;Sorokin, P.;Aggleton, R.;Ball, F.;Beck, L.;Brooke, J. J.;Clement, E.;Cussans, D.;Flacher, H.;Goldstein, J.;Grimes, M.;Heath, G. P.;Heath, H. F.;Jacob, J.;Kreczko, L.;Lucas, C.;Meng, Z.;Newbold, D. M.;Paramesvaran, S.;Poll, A.;Sakuma, T.;El Nasr-storey, S. S.;Senkin, S.;Smith, D.;Smith, V. J.;Bell, K. W.;Belyaev, A.;Brew, C.;Brown, R. M.;Cockerill, D. J. A.;Coughlan, J. A.;Harder, K.;Harper, S.;Olaiya, E.;Petyt, D.;Shepherd-Themistocleous, C. H.;Thea, A.;Tomalin, I. R.;Williams, T.;Womersley, W. J.;Worm, S. D.;Baber, M.;Bainbridge, R.;Buchmuller, O.;Bundock, A.;Burton, D.;Citron, M.;Colling, D.;Corpe, L.;Cripps, N.;Dauncey, P.;Davies, G.;De Wit, A.;Della Negra, M.;Dunne, P.;Elwood, A.;Ferguson, W.;Fulcher, J.;Futyan, D.;Hall, G.;Iles, G.;Karapostoli, G.;Kenzie, M.;Lane, R.;Lucas, R.;Lyons, L.;Magnan, A. M.;Malik, S.;Nash, J.;Nikitenko, A.;Pela, J.;Pesaresi, M.;Petridis, K.;Raymond, D. M.;Richards, A.;Rose, A.;Seez, C.;Sharp, P.;Tapper, A.;Uchida, K.;Acosta, M. V.;Virdee, T.;Zenz, S. C.;Cole, J. E.;Hobson, P. R.;Khan, A.;Kyberd, P.;Leggat, D.;Leslie, D.;Reid, I. D.;Symonds, P.;Teodorescu, L.;Turner, M.;Dittmann, J.;Hatakeyama, K.;Kasmi, A.;Liu, H.;Pastika, N.;Scarborough, T.;Charaf, O.;Cooper, S. I.;Henderson, C.;Rumerio, P.;Avetisyan, A.;Bose, T.;Fantasia, C.;Gastler, D.;Lawson, P.;Rankin, D.;Richardson, C.;Rohlf, J.;John, J. S.;Sulak, L.;Zou, D.;Alimena, J.;Berry, E.;Bhattacharya, S.;Cutts, D.;Demiragli, Z.;Dhingra, N.;Ferapontov, A.;Garabedian, A.;Heintz, U.;Laird, E.;Landsberg, G.;Mao, Z.;Narain, M.;Sagir, S.;Sinthuprasith, T.;Breedon, R.;Breto, G.;Sanchez, M. C. D.;Chauhan, S.;Chertok, M.;Conway, J.;Conway, R.;Cox, P. T.;Erbacher, R.;Gardner, M.;Ko, W.;Lander, R.;Mulhearn, M.;Pellett, D.;Pilot, J.;Ricci-Tam, F.;Shalhout, S.;Smith, J.;Squires, M.;Stolp, D.;Tripathi, M.;Wilbur, S.;Yohay, R.;Cousins, R.;Everaerts, P.;Farrell, C.;Hauser, J.;Ignatenko, M.;Rakness, G.;Saltzberg, D.;Takasugi, E.;Valuev, V.;Weber, M.;Burt, K.;Clare, R.;Ellison, J.;Gary, J. W.;Hanson, G.;Heilman, J.;Rikova, M. I.;Jandir, P.;Kennedy, E.;Lacroix, F.;Long, O. R.;Luthra, A.;Malberti, M.;Negrete, M. O.;Shrinivas, A.;Sumowidagdo, S.;Wei, H.;Wimpenny, S.;Branson, J. G.;Cerati, G. B.;Cittolin, S.;D'Agnolo, R. T.;Holzner, A.;Kelley, R.;Klein, D.;Kovalskyi, D.;Letts, J.;Macneill, I.;Olivito, D.;Padhi, S.;Palmer, C.;Pieri, M.;Sani, M.;Sharma, V.;Simon, S.;Tadel, M.;Tu, Y.;Vartak, A.;Wasserbaech, S.;Welke, C.;Wurthwein, F.;Yagil, A.;Della Porta, G. Z.;Barge, D.;Bradmiller-Feld, J.;Campagnari, C.;Dishaw, A.;Dutta, V.;Flowers, K.;Sevilla, M. F.;Geffert, P.;George, C.;Golf, F.;Gouskos, L.;Gran, J.;Incandela, J.;Justus, C.;McColl, N.;Mullin, S. D.;Richman, J.;Stuart, D.;To, W.;West, C.;Yoo, J.;Anderson, D.;Apresyan, A.;Bornheim, A.;Bunn, J.;Chen, Y.;Duarte, J.;Mott, A.;Newman, H. B.;Pena, C.;Pierini, M.;Spiropulu, M.;Vlimant, J. R.;Xie, S.;Zhu,

Searches for third-generation squark production in fully hadronic final states in proton-proton collisions at root s=8 TeV

searches for third-generation squark production in fully hadronic final states in proton-proton collisions at root s=8 tev

citation khachatryan sirunyan tumasyan adam asilar bergauer searches squark hadronic proton proton collisions tev. jhep searches squarks hadronic luminosities lhc. mutually exclusive searches optimized topology. multijet requiring reconstructed dijet requiring jets originating quarks monojet search. excesses expectations squark simplified supersymmetry.additional hormann hrubec jeitler knunz konig krammer kratschmer liko mikulec rabady rahbaran rohringer schieck schofbeck strauss treberer treberspurg waltenberger wulz mossolov shumeiko gonzalez alderweireldt cornelis wolf janssen knutsson lauwers luyckx ochesanu rougny klundert haevermaet mechelen remortel spilbeeck zeid blekman hondt daci bruyn deroover heracleous keaveney lowette moreels olbrechts python strom tavernier doninck mulders onsem parijs barria caillol clerbaux lentdecker delannoy dobur fasanella favart grebenyuk leonard mohammadi pernie randleconde reis seva thomas vander velde vanlaer zenoni beernaert benucci cimmino 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nebgen saxena schoerner sadenius schroder seitz spannagel wissing blobel vignali draeger erfle garutti goebel gonzalez gorner haller hoffmann hoing junkes kirschenmann klanner kogler lapsien lenz marchesini marconi nowatschin peiffer perieanu pietsch poehlsen rathjens sander schettler schleper schlieckau schmidt seidel sola stadie steinbruck tholen troendle usai vanelderen vanhoefer akbiyik barth baus berger boser butz chwalek colombo boer descroix dierlamm feindt frensch giffels gilbert hartmann husemann katkov kornmayer pardo mozer muller muller plagge quast rabbertz rocker roscher simonis stober ulrich wagner kuhr wayand weiler wohrmann wolf anagnostou daskalakis geralis giakoumopoulou kyriakis loukas markou psallidas topsis giotis agapitos kesisoglou panagiotou saoulidou tziaferi evangelou flouris foudas kokkas loukas manthos papadopoulos paradas strologas bencze hajdu hazi hidas horvath sikler veszpremi vesztergombi zsigmond beni czellar karancsi molnar palinkas szillasi bartok 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codispoti cuffiani dallavalle fabbri fanfani fasanella giacomelli grandi guiducci marcellini masetti montanari navarria perrotta rossi rovelli siroli tosi travaglini cappello chiorboli costa giordano potenza tricomi tuve barbagli ciulli civinini alessandro focardi gallo gonzi gori lenzi meschini paoletti sguazzoni tropiano viliani benussi bianco fabbri piccolo calvelli ferro vetere robutti tosi dinardo fiorendi gennai gerosa ghezzi govoni lucchini malvezzi manzoni marzocchi menasce moroni paganoni pedrini ragazzi redaelli fatis buontempo cavallo guida esposito fabozzi iorio lanza lista meola merola paolucci sciacca azzi bacchetta bisello carlin oliveira checchia dall osso dorigo dosselli gasparini gasparini gozzelino lacaprara margoni meneguzzo pazzini pegoraro pozzobon ronchese simonetto torassa tosi vanini zanetti zotto zucchetta gabusi magnani ratti riccardi salvini vitulo solestizi biasini bilei ciangottini fano lariccia mantovani menichelli saha santocchia spiezia androsov azzurri 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non_dup

33381562

10.1007/jhep06(2015)121

Citation: Khachatryan, V., Sirunyan, A. M., Tumasyan, A., Adam, W., Bergauer, T., Dragicevic, M., . . . Collaboration, C. M. S. (2015). Search for the production of dark matter in association with top-quark pairs in the single-lepton final state in proton-proton collisions at root s=8 TeV. Journal of High Energy Physics(6), 39. doi:10.1007/jhep06(2015)121A search is presented for particle dark matter produced in association with a pair of top quarks in pp collisions at a centre-of-mass energy of root s = 8TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 19.7 fb(-1). This search requires the presence of one lepton, multiple jets, and large missing transverse energy. No excess of events is found above the SM expectation, and upper limits are derived on the production cross section. Interpreting the findings in the context of a scalar contact interaction between fermionic dark matter particles and top quarks, lower limits on the interaction scale are set. These limits are also interpreted in terms of the dark matter-nucleon scattering cross sections for the spin-independent scalar operator and they complement direct searches for dark matter particles in the low mass region.Additional Authors: Knunz, V.;Krammer, M.;Kratschmer, I.;Liko, D.;Mikulec, I.;Rabady, D.;Rahbaran, B.;Rohringer, H.;Schofbeck, R.;Strauss, J.;Treberer-Treberspurg, W.;Waltenberger, W.;Wulz, C. E.;Mossolov, V.;Shumeiko, N.;Gonzalez, J. S.;Alderweireldt, S.;Bansal, S.;Cornelis, T.;De Wolf, E. A.;Janssen, X.;Knutsson, A.;Lauwers, J.;Luyckx, S.;Ochesanu, S.;Rougny, R.;Van De Klundert, M.;Van Haevermaet, H.;Van Mechelen, P.;Van Remortel, N.;Van Spilbeeck, A.;Blekman, F.;Blyweert, S.;D'Hondt, J.;Daci, N.;Heracleous, N.;Keaveney, J.;Lowette, S.;Maes, M.;Olbrechts, A.;Python, Q.;Strom, D.;Tavernier, S.;Van Doninck, W.;Van Mulders, P.;Van Onsem, G. P.;Villella, I.;Caillol, C.;Clerbaux, B.;De Lentdecker, G.;Dobur, D.;Favart, L.;Gay, A. P. R.;Grebenyuk, A.;Leonard, A.;Mohammadi, A.;Pernie, L.;Randle-Conde, A.;Reis, T.;Seva, T.;Thomas, L.;Velde, C. V.;Vanlaer, P.;Wang, J.;Zenoni, F.;Adler, V.;Beernaert, K.;Benucci, L.;Cimmino, A.;Costantini, S.;Crucy, S.;Fagot, A.;Garcia, G.;McCartin, J.;Rios, A. A. O.;Poyraz, D.;Ryckbosch, D.;Diblen, S. S.;Sigamani, M.;Strobbe, N.;Thyssen, F.;Tytgat, M.;Yazgan, E.;Zaganidis, N.;Basegmez, S.;Beluffi, C.;Bruno, G.;Castello, R.;Caudron, A.;Ceard, L.;Da Silveira, G. 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M.;Fabbri, F.;Fanfani, A.;Fasanella, D.;Giacomelli, P.;Grandi, C.;Guiducci, L.;Marcellini, S.;Masetti, G.;Montanari, A.;Navarria, F. L.;Perrotta, A.;Rossi, A. M.;Rovelli, T.;Siroli, G. P.;Tosi, N.;Travaglini, R.;Albergo, S.;Cappello, G.;Chiorboli, M.;Costa, S.;Giordano, F.;Potenza, R.;Tricomi, A.;Tuve, C.;Barbagli, G.;Ciulli, V.;Civinini, C.;D'Alessandro, R.;Focardi, E.;Gallo, E.;Gonzi, S.;Gori, V.;Lenzi, P.;Meschini, M.;Paoletti, S.;Sguazzoni, G.;Tropiano, A.;Benussi, L.;Bianco, S.;Fabbri, F.;Piccolo, D.;Ferretti, R.;Ferro, F.;Lo Vetere, M.;Robutti, E.;Tosi, S.;Dinardo, M. E.;Fiorendi, S.;Gennai, S.;Gerosa, R.;Ghezzi, A.;Govoni, P.;Lucchini, M. T.;Malvezzi, S.;Manzoni, R. A.;Martelli, A.;Marzocchi, B.;Menasce, D.;Moroni, L.;Paganoni, M.;Pedrini, D.;Ragazzi, S.;Redaelli, N.;de Fatis, T. T.;Buontempo, S.;Cavallo, N.;Di Guida, S.;Fabozzi, F.;Iorio, A. O. M.;Lista, L.;Meola, S.;Merola, M.;Paolucci, P.;Azzi, P.;Bacchetta, N.;Bellato, M.;Bisello, D.;Branca, A.;Carlin, R.;Checchia, P.;Dall'Osso, M.;Dorigo, T.;Gasparini, F.;Gasparini, U.;Gozzelino, A.;Kanishchev, K.;Lacaprara, S.;Margoni, M.;Meneguzzo, A. T.;Pazzini, J.;Pozzobon, N.;Ronchese, P.;Simonetto, F.;Torassa, E.;Tosi, M.;Zotto, P.;Zucchetta, A.;Zumerle, G.;Gabusi, M.;Ratti, S. P.;Re, V.;Riccardi, C.;Salvini, P.;Vitulo, P.;Biasini, M.;Bilei, G. M.;Ciangottini, D.;Fano, L.;Lariccia, P.;Mantovani, G.;Menichelli, M.;Saha, A.;Santocchia, A.;Spiezia, A.;Androsov, K.;Azzurri, P.;Bagliesi, G.;Bernardini, J.;Boccali, T.;Broccolo, G.;Castaldi, R.;Ciocci, M. A.;Dell'Orso, R.;Donato, S.;Fedi, G.;Fiori, F.;Foa, L.;Giassi, A.;Grippo, M. T.;Ligabue, F.;Lomtadze, T.;Martini, L.;Messineo, A.;Moon, C. S.;Palla, F.;Rizzi, A.;Savoy-Navarro, A.;Serban, A. T.;Spagnolo, P.;Squillacioti, P.;Tenchini, R.;Tonelli, G.;Venturi, A.;Verdini, P. G.;Vernieri, C.;Barone, L.;Cavallari, F.;D'Imperio, G.;Del Re, D.;Diemoz, M.;Jorda, C.;Longo, E.;Margaroli, F.;Meridiani, P.;Micheli, F.;Organtini, G.;Paramatti, R.;Rahatlou, S.;Rovelli, C.;Santanastasio, F.;Soffi, L.;Traczyk, P.;Amapane, N.;Arcidiacono, R.;Argiro, S.;Arneodo, M.;Bellan, R.;Biino, C.;Cartiglia, N.;Casasso, S.;Costa, M.;Covarelli, R.;Degano, A.;Demaria, N.;Finco, L.;Mariotti, C.;Maselli, S.;Migliore, E.;Monaco, V.;Musich, M.;Obertino, M. M.;Pacher, L.;Pastrone, N.;Pelliccioni, M.;Angioni, G. L. P.;Romero, A.;Ruspa, M.;Sacchi, R.;Solano, A.;Staiano, A.;Tamponi, U.;Trapani, P. P.;Belforte, S.;Candelise, V.;Casarsa, M.;Cossutti, F.;Della Ricca, G.;Gobbo, B.;La Licata, C.;Marone, M.;Schizzi, A.;Umer, T.;Zanetti, A.;Chang, S.;Kropivnitskaya, A.;Nam, S. K.;Kim, D. H.;Kim, G. N.;Kim, M. S.;Kong, D. J.;Lee, S.;Oh, Y. D.;Park, H.;Sakharov, A.;Son, D. C.;Kim, T. J.;Ryu, M. S.;Kim, J. Y.;Moon, D. H.;Song, S.;Choi, S.;Gyun, D.;Hong, B.;Jo, M.;Kim, H.;Kim, Y.;Lee, B.;Lee, K. S.;Park, S. K.;Roh, Y.;Yoo, H. D.;Choi, M.;Kim, J. H.;Park, I. C.;Ryu, G.;Choi, Y.;Choi, Y. K.;Goh, J.;Kim, D.;Kwon, E.;Lee, J.;Yu, I.;Juodagalvis, A.;Komaragiri, J. R.;Ali, Mabm;Abdullah, Watw;Linares, E. C.;Castilla-Valdez, H.;De la Cruz-Burelo, E.;Heredia-de La Cruz, I.;Hernandez-Almada, A.;Lopez-Fernandez, R.;Sanchez-Hernandez, A.;Moreno, S. C.;Valencia, F. V.;Pedraza, I.;Ibarguen, H. A. S.;Pineda, A. M.;Krofcheck, D.;Butler, P. H.;Reucroft, S.;Ahmad, A.;Ahmad, M.;Hassan, Q.;Hoorani, H. R.;Khan, W. A.;Khurshid, T.;Shoaib, M.;Bialkowska, H.;Bluj, M.;Boimska, B.;Frueboes, T.;Gorski, M.;Kazana, M.;Nawrocki, K.;Romanowska-Rybinska, K.;Szleper, M.;Zalewski, P.;Brona, G.;Bunkowski, K.;Cwiok, M.;Dominik, W.;Doroba, K.;Kalinowski, A.;Konecki, M.;Krolikowski, J.;Misiura, M.;Olszewski, M.;Bargassa, P.;E Silva, Cbadce;Faccioli, P.;Parracho, P. G. F.;Gallinaro, M.;Iglesias, L. L.;Nguyen, F.;Antunes, J. R.;Seixas, J.;Vadruccio, D.;Varela, J.;Vischia, P.;Golutvin, I.;Gorbunov, I.;Kamenev, A.;Karjavin, V.;Konoplyanikov, V.;Kozlov, G.;Lanev, A.;Malakhov, A.;Matveev, V.;Moisenz, P.;Palichik, V.;Perelygin, V.;Savina, M.;Shmatov, S.;Shulha, S.;Skatchkov, N.;Smirnov, V.;Zarubin, A.;Golovtsov, V.;Ivanov, Y.;Kim, V.;Kuznetsova, E.;Levchenko, P.;Murzin, V.;Oreshkin, V.;Smirnov, I.;Sulimov, V.;Uvarov, L.;Vavilov, S.;Vorobyev, A.;Vorobyev, A.;Andreev, Y.;Dermenev, A.;Gninenko, S.;Golubev, N.;Kirsanov, M.;Krasnikov, N.;Pashenkov, A.;Tlisov, D.;Toropin, A.;Epshteyn, V.;Gavrilov, V.;Lychkovskaya, N.;Popov, V.;Pozdnyakov, I.;Safronov, G.;Semenov, S.;Spiridonov, A.;Stolin, V.;Vlasov, E.;Zhokin, A.;Andreev, V.;Azarkin, M.;Dremin, I.;Kirakosyan, M.;Leonidov, A.;Mesyats, G.;Rusakov, S. V.;Vinogradov, A.;Belyaev, A.;Boos, E.;Dubinin, M.;Dudko, L.;Ershov, A.;Gribushin, A.;Klyukhin, V.;Kodolova, O.;Lokhtin, I.;Obraztsov, S.;Petrushanko, S.;Savrin, V.;Snigirev, A.;Azhgirey, I.;Bayshev, I.;Bitioukov, S.;Kachanov, V.;Kalinin, A.;Konstantinov, D.;Krychkine, V.;Petrov, V.;Ryutin, R.;Sobol, A.;Tourtchanovitch, L.;Troshin, S.;Tyurin, N.;Uzunian, A.;Volkov, A.;Adzic, P.;Ekmedzic, M.;Milosevic, J.;Rekovic, V.;Maestre, J. A.;Battilana, C.;Calvo, E.;Cerrada, M.;Llatas, M. C.;Colino, N.;De la Cruz, B.;Peris, A. D.;Vazquez, D. D.;Del Valle, A. E.;Bedoya, C. F.;Ramos, J. P. F.;Flix, J.;Fouz, M. C.;Garcia-Abia, P.;Lopez, O. G.;Lopez, S. G.;Hernandez, J. M.;Josa, M. I.;De Martino, E. N.;Yzquierdo, A. P. C.;Pelayo, J. P.;Olmeda, A. Q.;Redondo, I.;Romero, L.;Soares, M. S.;Albajar, C.;de Troconiz, J. F.;Missiroli, M.;Moran, D.;Brun, H.;Cuevas, J.;Menendez, J. F.;Folgueras, S.;Caballero, I. G.;Cifuentes, J. A. B.;Cabrillo, I. J.;Calderon, A.;Campderros, J. D.;Fernandez, M.;Gomez, G.;Graziano, A.;Virto, A. L.;Marco, J.;Marco, R.;Rivero, C. M.;Matorras, F.;Sanchez, F. J. M.;Gomez, J. P.;Rodrigo, T.;Rodriguez-Marrero, A. Y.;Ruiz-Jimeno, A.;Scodellaro, L.;Vila, I.;Cortabitarte, R. V.;Abbaneo, D.;Auffray, E.;Auzinger, G.;Bachtis, M.;Baillon, P.;Ball, A. H.;Barney, D.;Benaglia, A.;Bendavid, J.;Benhabib, L.;Benitez, J. F.;Bianchi, G.;Bloch, P.;Bocci, A.;Bonato, A.;Bondu, O.;Botta, C.;Breuker, H.;Camporesi, T.;Cerminara, G.;Colafranceschi, S.;D'Alfonso, M.;d'Enterria, D.;Dabrowski, A.;David, A.;De Guio, F.;De Roeck, A.;De Visscher, S.;Di Marco, E.;Dobson, M.;Dordevic, M.;Dorney, B.;Dupont-Sagorin, N.;Elliott-Peisert, A.;Eugster, J.;Franzoni, G.;Funk, W.;Gigi, D.;Gill, K.;Giordano, D.;Girone, M.;Glege, F.;Guida, R.;Gundacker, S.;Guthoff, M.;Hammer, J.;Hansen, M.;Harris, P.;Hegeman, J.;Innocente, V.;Janot, P.;Kortelainen, M. J.;Kousouris, K.;Krajczar, K.;Lecoq, P.;Lourenco, C.;Magini, N.;Malgeri, L.;Mannelli, M.;Marrouche, J.;Masetti, L.;Meijers, F.;Mersi, S.;Meschi, E.;Moortgat, F.;Morovic, S.;Mulders, M.;Orfanelli, S.;Orsini, L.;Pape, L.;Perez, E.;Petrilli, A.;Petrucciani, G.;Pfeiffer, A.;Pimia, M.;Piparo, D.;Plagge, M.;Racz, A.;Rolandi, G.;Rovere, M.;Sakulin, H.;Schafer, C.;Schwick, C.;Sharma, A.;Siegrist, P.;Silva, P.;Simon, M.;Sphicas, P.;Spiga, D.;Steggemann, J.;Stieger, B.;Stoye, M.;Takahashi, Y.;Treille, D.;Tsirou, A.;Veres, G. I.;Wardle, N.;Wohri, H. K.;Wollny, H.;Zeuner, W. D.;Bertl, W.;Deiters, K.;Erdmann, W.;Horisberger, R.;Ingram, Q.;Kaestli, H. C.;Kotlinski, D.;Langenegger, U.;Renker, D.;Rohe, T.;Bachmair, F.;Bani, L.;Bianchini, L.;Buchmann, M. A.;Casal, B.;Dissertori, G.;Dittmar, M.;Donega, M.;Dunser, M.;Eller, P.;Grab, C.;Hits, D.;Hoss, J.;Kasieczka, G.;Lustermann, W.;Mangano, B.;Marini, A. C.;Marionneau, M.;del Arbol, P. M. R.;Masciovecchio, M.;Meister, D.;Mohr, N.;Musella, P.;Nageli, C.;Nessi-Tedaldi, F.;Pandolfi, F.;Pauss, F.;Perrozzi, L.;Peruzzi, M.;Quittnat, M.;Rebane, L.;Rossini, M.;Starodumov, A.;Takahashi, M.;Theofilatos, K.;Wallny, R.;Weber, H. A.;Amsler, C.;Canelli, M. F.;Chiochia, V.;De Cosa, A.;Hinzmann, A.;Hreus, T.;Kilminster, B.;Lange, C.;Ngadiuba, J.;Pinna, D.;Robmann, P.;Ronga, F. J.;Taroni, S.;Yang, Y.;Cardaci, M.;Chen, K. H.;Ferro, C.;Kuo, C. M.;Lin, W.;Lu, Y. J.;Volpe, R.;Yu, S. S.;Chang, P.;Chang, Y. H.;Chao, Y.;Chen, K. F.;Chen, P. H.;Dietz, C.;Grundler, U.;Hou, W. S.;Liu, Y. F.;Lu, R. S.;Moya, M. M.;Petrakou, E.;Tsai, J. F.;Tzeng, Y. M.;Wilken, R.;Asavapibhop, B.;Singh, G.;Srimanobhas, N.;Suwonjandee, N.;Adiguzel, A.;Bakirci, M. N.;Cerci, S.;Dozen, C.;Dumanoglu, I.;Eskut, E.;Girgis, S.;Gokbulut, G.;Guler, Y.;Gurpinar, E.;Hos, I.;Kangal, E. E.;Topaksu, A. K.;Onengut, G.;Ozdemir, K.;Ozturk, S.;Polatoz, A.;Cerci, D. S.;Tali, B.;Topakli, H.;Vergili, M.;Zorbilmez, C.;Akin, I. V.;Bilin, B.;Bilmis, S.;Gamsizkan, H.;Isildak, B.;Karapinar, G.;Ocalan, K.;Sekmen, S.;Surat, U. E.;Yalvac, M.;Zeyrek, M.;Albayrak, E. A.;Gulmez, E.;Kaya, M.;Kaya, O.;Yetkin, T.;Cankocak, K.;Vardarli, F. I.;Levchuk, L.;Sorokin, P.;Brooke, J. J.;Clement, E.;Cussans, D.;Flacher, H.;Goldstein, J.;Grimes, M.;Heath, G. P.;Heath, H. F.;Jacob, J.;Kreczko, L.;Lucas, C.;Meng, Z.;Newbold, D. M.;Paramesvaran, S.;Poll, A.;Sakuma, T.;El Nasr-Storey, S. S.;Senkin, S.;Smith, V. J.;Bell, K. W.;Belyaev, A.;Brew, C.;Brown, R. M.;Cockerill, D. J. A.;Coughlan, J. A.;Harder, K.;Harper, S.;Olaiya, E.;Petyt, D.;Shepherd-Themistocleous, C. H.;Thea, A.;Tomalin, I. R.;Williams, T.;Womersley, W. J.;Worm, S. D.;Baber, M.;Bainbridge, R.;Buchmuller, O.;Burton, D.;Colling, D.;Cripps, N.;Dauncey, P.;Davies, G.;Della Negra, M.;Dunne, P.;Elwood, A.;Ferguson, W.;Fulcher, J.;Futyan, D.;Hall, G.;Iles, G.;Jarvis, M.;Karapostoli, G.;Kenzie, M.;Lane, R.;Lucas, R.;Lyons, L.;Magnan, A. M.;Malik, S.;Mathias, B.;Nash, J.;Nikitenko, A.;Pela, J.;Pesaresi, M.;Petridis, K.;Raymond, D. M.;Rogerson, S.;Rose, A.;Seez, C.;Sharp, P.;Tapper, A.;Acosta, M. V.;Virdee, T.;Zenz, S. C.;Cole, J. E.;Hobson, P. R.;Khan, A.;Kyberd, P.;Leggat, D.;Leslie, D.;Reid, I. D.;Symonds, P.;Teodorescu, L.;Turner, M.;Dittmann, J.;Hatakeyama, K.;Kasmi, A.;Liu, H.;Pastika, N.;Scarborough, T.;Wu, Z.;Charaf, O.;Cooper, S. I.;Henderson, C.;Rumerio, P.;Avetisyan, A.;Bose, T.;Fantasia, C.;Lawson, P.;Richardson, C.;Rohlf, J.;St John, J.;Sulak, L.;Alimena, J.;Berry, E.;Bhattacharya, S.;Christopher, G.;Cutts, D.;Demiragli, Z.;Dhingra, N.;Ferapontov, A.;Garabedian, A.;Heintz, U.;Laird, E.;Landsberg, G.;Mao, Z.;Narain, M.;Sagir, S.;Sinthuprasith, T.;Speer, T.;Swanson, J.;Breedon, R.;Breto, G.;Sanchez, M. C. D.;Chauhan, S.;Chertok, M.;Conway, J.;Conway, R.;Cox, P. T.;Erbacher, R.;Gardner, M.;Ko, W.;Lander, R.;Mulhearn, M.;Pellett, D.;Pilot, J.;Ricci-Tam, F.;Shalhout, S.;Smith, J.;Squires, M.;Stolp, D.;Tripathi, M.;Wilbur, S.;Yohay, R.;Cousins, R.;Everaerts, P.;Farrell, C.;Hauser, J.;Ignatenko, M.;Rakness, G.;Takasugi, E.;Valuev, V.;Weber, M.;Burt, K.;Clare, R.;Ellison, J.;Gary, J. W.;Hanson, G.;Heilman, J.;Rikova, M. I.;Jandir, P.;Kennedy, E.;Lacroix, F.;Long, O. R.;Luthra, A.;Malberti, M.;Negrete, M. O.;Shrinivas, A.;Sumowidagdo, S.;Wimpenny, S.;Branson, J. G.;Cerati, G. B.;Cittolin, S.;D'Agnolo, R. T.;Holzner, A.;Kelley, R.;Klein, D.;Letts, J.;Macneill, I.;Olivito, D.;Padhi, S.;Palmer, C.;Pieri, M.;Sani, M.;Sharma, V.;Simon, S.;Tadel, M.;Tu, Y.;Vartak, A.;Welke, C.;Wurthwein, F.;Yagil, A.;Della Porta, G. Z.;Barge, D.;Bradmiller-Feld, J.;Campagnari, C.;Danielson, T.;Dishaw, A.;Dutta, V.;Flowers, K.;Sevilla, M. F.;Geffert, P.;George, C.;Golf, F.;Gouskos, L.;Incandela, J.;Justus, C.;McColl, N.;Mullin, S. D.;Richman, J.;Stuart, D.;To, W.;West, C.;Yoo, J.;Apresyan, A.;Bornheim, A.;Bunn, J.;Chen, Y.;Duarte, J.;Mott, A.;Newman, H. B.;Pena, C.;Pierini, M.;Spiropulu, M.;Vlimant, J. R.;Wilkinson, R.;Xie, S.;Zhu, R. Y.;Azzolini, V.;Calamba, A.;Carlson, B.;Ferguson, T.;Iiyama, Y.;Paulini, M.;Russ, J.;Vogel, H.;Vorobiev, I.;Cumalat, J. P.;Ford, W. T.;Gaz, A.;Krohn, M.;Lopez, E. L.;Nauenberg, U.;Smith, J. G.;Stenson, K.;Wagner, S. R.;Alexander, J.;Chatterjee, A.;Chaves, J.;Chu, J.;Dittmer, S.;Eggert, N.;Mirman, N.;Kaufman, G. N.;Patterson, J. R.;Ryd, A.;Salvati, E.;Skinnari, L.;Sun, W.;Teo, W. D.;Thom, J.;Thompson, J.;Tucker, J.;Weng, Y.;Winstrom, L.;Wittich, P.;Winn, D.;Abdullin, S.;Albrow, M.;Anderson, J.;Apollinari, G.;Bauerdick, L. A. T.;Beretvas, A.;Berryhill, J.;Bhat, P. C.;Bolla, G.;Burkett, K.;Butler, J. N.;Cheung, H. W. K.;Chlebana, F.;Cihangir, S.;Elvira, V. D.;Fisk, I.;Freeman, J.;Gottschalk, E.;Gray, L.;Green, D.;Grunendahl, S.;Gutsche, O.;Hanlon, J.;Hare, D.;Harris, R. M.;Hirs

Search for the production of dark matter in association with top-quark pairs in the single-lepton final state in proton-proton collisions at root s=8 TeV

search for the production of dark matter in association with top-quark pairs in the single-lepton final state in proton-proton collisions at root s=8 tev

citation khachatryan sirunyan tumasyan adam bergauer dragicevic lepton proton proton collisions tev. jhep quarks collisions tev. luminosity lepton jets missing energy. excess expectation section. interpreting fermionic quarks set. interpreted nucleon complement searches region.additional knunz krammer kratschmer liko mikulec rabady rahbaran rohringer schofbeck strauss treberer treberspurg waltenberger wulz mossolov shumeiko gonzalez alderweireldt bansal cornelis wolf janssen knutsson lauwers luyckx ochesanu rougny klundert haevermaet mechelen remortel spilbeeck blekman blyweert hondt daci heracleous keaveney lowette maes olbrechts python strom tavernier doninck mulders onsem villella caillol clerbaux lentdecker dobur favart grebenyuk leonard mohammadi pernie randle conde reis seva thomas velde vanlaer zenoni adler beernaert benucci cimmino costantini crucy fagot garcia mccartin rios poyraz ryckbosch diblen sigamani strobbe thyssen tytgat yazgan zaganidis basegmez beluffi bruno castello 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poehlsen rathjens sander schettler schleper schlieckau schmidt seidel sola stadie steinbruck troendle usai vanelderen vanhoefer barth baus berger boser butz chwalek boer descroix dierlamm feindt frensch giffels gilbert hartmann hauth husemann katkov kornmayer pardo mozer muller muller nurnberg quast rabbertz rocker simonis stober ulrich wagner kuhr wayand weiler wolf anagnostou daskalakis geralis giakoumopoulou kyriakis loukas markou markou psallidas topsis giotis agapitos kesisoglou panagiotou saoulidou stiliaris tziaferi aslanoglou evangelou flouris foudas kokkas manthos papadopoulos paradas strologas bencze hajdu hidas horvath sikler veszpremi vesztergombi zsigmond beni czellar karancsi molnar palinkas szillasi makovec raics trocsanyi ujvari swain beri bhatnagar gupta bhawandeep kalsi kaur kumar mittal nishu singh kumar kumar ahuja bhardwaj choudhary kumar malhotra naimuddin ranjan sharma banerjee bhattacharya chatterjee dutta gomber jain jain khurana modak mukherjee sarkar sharan abdulsalam dutta kumar mohanty pant shukla topkar aziz banerjee bhowmik chatterjee dewanjee dugad ganguly ghosh guchait gurtu kole kumar maity majumder mazumdar mohanty parida sudhakar wickramage sharma bakhshiansohi behnamian etesami fahim goldouzian khakzad najafabadi naseri mehdiabadi hosseinabadi safarzadeh zeinali felcini grunewald abbrescia calabria chhibra colaleo creanza cristella filippis palma fiore iaselli maggi maggi nuzzo pompili pugliese radogna selvaggi sharma silvestris venditti verwilligen abbiendi benvenuti bonacorsi braibant giacomelli brigliadori campanini capiluppi castro cavallo codispoti cuffiani dallavalle fabbri fanfani fasanella giacomelli grandi guiducci marcellini masetti montanari navarria perrotta rossi rovelli siroli tosi travaglini albergo cappello chiorboli costa giordano potenza tricomi tuve barbagli ciulli civinini alessandro focardi gallo gonzi gori lenzi meschini paoletti sguazzoni tropiano benussi bianco fabbri piccolo ferretti ferro vetere robutti tosi dinardo fiorendi gennai gerosa ghezzi govoni lucchini malvezzi manzoni martelli marzocchi menasce moroni paganoni pedrini ragazzi redaelli fatis buontempo cavallo guida fabozzi iorio lista meola merola paolucci azzi bacchetta bellato bisello branca carlin checchia dall osso dorigo gasparini gasparini gozzelino kanishchev lacaprara margoni meneguzzo pazzini pozzobon ronchese simonetto torassa tosi zotto zucchetta zumerle gabusi ratti riccardi salvini vitulo biasini bilei ciangottini fano lariccia mantovani menichelli saha santocchia spiezia androsov azzurri bagliesi bernardini boccali broccolo castaldi ciocci dell orso donato fedi fiori giassi grippo ligabue lomtadze martini messineo moon palla rizzi savoy navarro serban spagnolo squillacioti tenchini tonelli venturi verdini vernieri barone cavallari imperio diemoz jorda longo margaroli meridiani micheli organtini paramatti rahatlou rovelli santanastasio soffi traczyk amapane arcidiacono argiro arneodo bellan biino cartiglia casasso costa covarelli degano demaria finco mariotti maselli migliore monaco musich obertino pacher pastrone pelliccioni angioni romero ruspa sacchi solano staiano tamponi trapani belforte candelise casarsa cossutti della ricca gobbo licata marone schizzi umer zanetti chang kropivnitskaya kong park sakharov moon song choi gyun hong park choi park choi choi kwon juodagalvis komaragiri mabm abdullah watw linares castilla valdez cruz burelo heredia cruz hernandez almada lopez fernandez sanchez hernandez moreno valencia pedraza ibarguen pineda krofcheck butler reucroft ahmad ahmad hassan hoorani khan khurshid shoaib bialkowska bluj boimska frueboes gorski kazana nawrocki romanowska rybinska szleper zalewski brona bunkowski cwiok dominik doroba kalinowski konecki krolikowski misiura olszewski bargassa silva cbadce faccioli parracho gallinaro iglesias nguyen antunes seixas vadruccio varela vischia golutvin gorbunov kamenev karjavin konoplyanikov kozlov lanev malakhov matveev moisenz palichik perelygin savina shmatov shulha skatchkov smirnov zarubin golovtsov ivanov kuznetsova levchenko murzin oreshkin smirnov sulimov uvarov vavilov vorobyev vorobyev andreev dermenev gninenko golubev kirsanov krasnikov pashenkov tlisov toropin epshteyn gavrilov lychkovskaya popov pozdnyakov safronov semenov spiridonov stolin vlasov zhokin andreev azarkin dremin kirakosyan leonidov mesyats rusakov vinogradov belyaev boos dubinin dudko ershov gribushin klyukhin kodolova lokhtin obraztsov petrushanko savrin snigirev azhgirey bayshev bitioukov kachanov kalinin konstantinov krychkine petrov ryutin sobol tourtchanovitch troshin tyurin uzunian volkov adzic ekmedzic milosevic rekovic maestre battilana calvo cerrada llatas colino cruz peris vazquez valle bedoya ramos flix fouz garcia abia lopez lopez hernandez josa martino yzquierdo pelayo olmeda redondo romero soares albajar troconiz missiroli moran brun cuevas menendez folgueras caballero cifuentes cabrillo calderon campderros fernandez gomez graziano virto marco marco rivero matorras sanchez gomez rodrigo rodriguez marrero ruiz jimeno scodellaro vila cortabitarte abbaneo auffray auzinger bachtis baillon ball barney benaglia bendavid benhabib benitez bianchi bloch bocci bonato bondu botta breuker camporesi cerminara colafranceschi alfonso enterria dabrowski david guio roeck visscher marco dobson dordevic dorney dupont sagorin elliott peisert eugster franzoni funk gigi gill giordano girone glege guida gundacker guthoff hammer hansen harris hegeman innocente janot kortelainen kousouris krajczar lecoq lourenco magini malgeri mannelli marrouche masetti meijers mersi meschi moortgat morovic mulders orfanelli orsini pape perez petrilli petrucciani pfeiffer pimia piparo plagge racz rolandi rovere sakulin schafer schwick sharma siegrist silva simon sphicas spiga steggemann stieger stoye takahashi treille tsirou veres wardle wohri wollny zeuner bertl deiters erdmann horisberger ingram kaestli kotlinski langenegger renker rohe bachmair bani bianchini buchmann casal dissertori dittmar donega dunser eller grab hits hoss kasieczka lustermann mangano marini marionneau arbol masciovecchio meister mohr musella nageli nessi tedaldi pandolfi pauss perrozzi peruzzi quittnat rebane rossini starodumov takahashi theofilatos wallny weber amsler canelli chiochia cosa hinzmann hreus kilminster lange ngadiuba pinna robmann ronga taroni cardaci ferro volpe chang chang chao dietz grundler moya petrakou tsai tzeng wilken asavapibhop singh srimanobhas suwonjandee adiguzel bakirci cerci dozen dumanoglu eskut girgis gokbulut guler gurpinar kangal topaksu onengut ozdemir ozturk polatoz cerci tali topakli vergili zorbilmez akin bilin bilmis gamsizkan isildak karapinar ocalan sekmen surat yalvac zeyrek albayrak gulmez kaya kaya yetkin cankocak vardarli levchuk sorokin brooke clement cussans flacher goldstein grimes heath heath jacob kreczko lucas meng newbold paramesvaran poll sakuma nasr storey senkin bell belyaev brew brown cockerill coughlan harder harper olaiya petyt shepherd themistocleous thea tomalin williams womersley worm baber bainbridge buchmuller burton colling cripps dauncey davies della negra dunne elwood ferguson fulcher futyan hall iles jarvis karapostoli kenzie lane lucas lyons magnan malik mathias nash nikitenko pela pesaresi petridis raymond rogerson rose seez sharp tapper acosta virdee zenz cole hobson khan kyberd leggat leslie reid symonds teodorescu turner dittmann hatakeyama kasmi pastika scarborough charaf cooper henderson rumerio avetisyan bose fantasia lawson richardson rohlf john sulak alimena berry bhattacharya christopher cutts demiragli dhingra ferapontov garabedian heintz laird landsberg narain sagir sinthuprasith speer swanson breedon breto sanchez chauhan chertok conway conway erbacher gardner lander mulhearn pellett pilot ricci shalhout squires stolp tripathi wilbur yohay cousins everaerts farrell hauser ignatenko rakness takasugi valuev weber burt clare ellison gary hanson heilman rikova jandir kennedy lacroix luthra malberti negrete shrinivas sumowidagdo wimpenny branson cerati cittolin agnolo holzner kelley klein letts macneill olivito padhi palmer pieri sani sharma simon tadel vartak welke wurthwein yagil della porta barge bradmiller feld campagnari danielson dishaw dutta flowers sevilla geffert george golf gouskos incandela justus mccoll mullin richman stuart west apresyan bornheim bunn duarte mott newman pena pierini spiropulu vlimant wilkinson azzolini calamba carlson ferguson iiyama paulini russ vogel vorobiev cumalat ford krohn lopez nauenberg stenson wagner alexander chatterjee chaves dittmer eggert mirman kaufman patterson salvati skinnari thom thompson tucker weng winstrom wittich winn abdullin albrow anderson apollinari bauerdick beretvas berryhill bhat bolla burkett butler cheung chlebana cihangir elvira fisk freeman gottschalk gray grunendahl gutsche hanlon hare harris hirs

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78063456

10.1007/jhep06(2015)154

In composite Higgs models the pseudo-Nambu-Goldstone Boson (pNGB) nature of the Higgs field is an interesting alternative for explaining the smallness of the electroweak scale with respect to the beyond the Standard Model scale. In non-minimal models additional pNGB states are present and can be a Dark Matter (DM) candidate, if there is an approximate symmetry suppressing their decay. Here we assume that the low energy effective theory (for scales much below the compositeness scale) corresponds to the Standard Model with a pNGB Higgs doublet and a pNGB DM multiplet. We derive general effective DM Lagrangians for several possible DM representations (under the SM gauge group), including the singlet, doublet and triplet cases. Within this framework we discuss how the DM observables (relic abundance, direct and indirect detection) constrain the dimension-6 operators induced by the strong sector assuming that DM behaves as a Weakly Interacting Particle (WIMP) and that the relic abundance is settled through the freeze-out mechanism. We also apply our general results to two specific cosets: SO(6)/SO(5) and SO(6)/SO(4)×SO(2), which contain a singlet and doublet DM candidate, respectively. In particular we show that if compositeness is a solution to the little hierarchy problem, representations larger than the triplet are strongly disfavored. Furthermore, we find that composite models can have viable DM candidates with much smaller direct detection cross-sections than their non-composite counterparts, making DM detection much more challenging.United States. Dept. of Energy (Grant Contract DE-SC00012567)National Science Foundation (U.S.) (Grant NSF PHY11-25915)Seventh Framework Programme (European Commission) (ITN INVISIBLES Marie Curie Actions PITN-GA-2011-289442

Dark Matter constraints on composite Higgs models

dark matter constraints on composite higgs models

composite pseudo nambu goldstone boson pngb explaining smallness electroweak scale. pngb candidate approximate suppressing decay. compositeness pngb doublet pngb multiplet. derive lagrangians representations singlet doublet triplet cases. observables relic abundance indirect constrain behaves weakly interacting wimp relic abundance settled freeze mechanism. cosets singlet doublet candidate respectively. compositeness hierarchy representations triplet disfavored. composite viable candidates composite counterparts challenging.united states. dept. contract foundation u.s. seventh programme commission invisibles marie curie pitn

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76177447

10.1007/jhep06(2016)059

Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the Large Hadron Collider are reported. The data were collected in proton-proton collisions at a centre-of-mass energy of 13 TeV and correspond to an integrated luminosity of 3.2 fb−1. The observed data are in agreement with the Standard Model expectations. Exclusion limits are presented in models of new phenomena including pair production of dark matter candidates or large extra spatial dimensions. In a simplified model of dark matter and an axial-vector mediator, the search excludes mediator masses below 710 GeV for dark matter candidate masses below 150 GeV. In an effective theory of dark matter production, values of the suppression scale M∗ up to 570 GeV are excluded and the effect of truncation for various coupling values is reported. For the ADD large extra spatial dimension model the search places more stringent limits than earlier searches in the same event topology, excluding MD up to about 2.3 (2.8) TeV for two (six) additional spatial dimensions; the limits are reduced by 20-40% depending on the number of additional spatial dimensions when applying a truncation procedure.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom

Search for new phenomena in events with a photon and missing transverse momentum in pp collisions at root s=13 TeV with the ATLAS detector

search for new phenomena in events with a photon and missing transverse momentum in pp collisions at root s=13 tev with the atlas detector

phenomena energetic missing atlas hadron collider reported. proton proton collisions luminosity expectations. exclusion phenomena candidates extra dimensions. simplified axial mediator excludes mediator candidate gev. suppression excluded truncation reported. extra places stringent searches topology excluding truncation procedure.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu gnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom

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76177463

10.1007/jhep06(2016)067

A search for the pair production of top squarks, each with R-parity-violating decays into two Standard Model quarks, is performed using 17.4 fb−1 of s√=8 TeV proton-proton collision data recorded by the ATLAS experiment at the LHC. Each top squark is assumed to decay to a b- and an s-quark, leading to four quarks in the final state. Background discrimination is achieved with the use of b-tagging and selections on the mass and substructure of large-radius jets, providing sensitivity to top squark masses as low as 100 GeV. No evidence of an excess beyond the Standard Model background prediction is observed and top squarks decaying to b¯¯s¯¯¯ are excluded for top squark masses in the range 100 ≤mt¯≤ 315 GeV at 95% confidence level.We acknowledge the support of ANPCyT, Argentina: YerPhI, Armenia; ARC, Australia; BMWFW and FIVE Austria; ANAS, Azerbaijan: SSTC, Belarus: CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China: COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic: DNRF and DNSRC. Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF. Georgia: BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN. Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO. Netherlands; RCN, Norway; MNiSW and NCN. Poland; FCT, Portugal; NINE/IFA. Romania; NIES of Russia and NRC KI, Russian Federation: JINR: MESTD, Serbia; NISSR, Slovakia; ARRS and MIZS, Slovenia: DST/NRF. South Africa; MINECO, Spain; SRC and Wallenberg Foundation. Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan: TAEK, Turkey; STFC, United Kingdom: DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT. and the Ontario Innovation Trust, Canada: EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions. European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France: DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co financed by EU-ESF and the Greek NSRF BSF, GIF and Minerva, Israel: BRF, Norway; Generalitat de Catalunya, Generalitat Valenciana. Spain; the Royal Society and Leverhulme Trust, United Kingdom

A search for top squarks with R-parity-violating decays to all-hadronic final states with the ATLAS detector in root s=8 TeV proton-proton collisions

a search for top squarks with r-parity-violating decays to all-hadronic final states with the atlas detector in root s=8 tev proton-proton collisions

squarks parity violating decays quarks proton proton collision atlas lhc. squark quarks state. discrimination tagging selections substructure jets squark gev. excess squarks decaying b¯¯s¯¯¯ excluded squark ≤mt¯≤ confidence level.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc. denmark cnrs irfu gnsf. georgia bmbf gsrt greece hong kong benoziyo israel infn. mext jsps cnrst morocco nwo. netherlands norway mnisw ncn. poland portugal nine ifa. romania nies russia russian federation jinr mestd serbia nissr slovakia arrs mizs slovenia nrf. africa mineco spain wallenberg foundation. sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt. ontario innovation trust canada eplanet horizon marie sklodowska curie actions. union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway generalitat catalunya generalitat valenciana. spain royal leverhulme trust kingdom

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76177469

10.1007/jhep06(2016)093

This paper presents studies of the performance of several jet-substructure techniques, which are used to identify hadronically decaying top quarks with high transverse momentum contained in large-radius jets. The efficiency of identifying top quarks is measured using a sample of top-quark pairs and the rate of wrongly identifying jets from other quarks or gluons as top quarks is measured using multijet events collected with the ATLAS experiment in 20.3 fb−1 of 8 TeV proton-proton collisions at the Large Hadron Collider. Predictions from Monte Carlo simulations are found to provide an accurate description of the performance. The techniques are compared in terms of signal efficiency and background rejection using simulations, covering a larger range in jet transverse momenta than accessible in the dataset. Additionally, a novel technique is developed that is optimized to reconstruct top quarks in events with many jets.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom

Identification of high transverse momentum top quarks in pp collisions at root s=8 TeV with the ATLAS detector

identification of high transverse momentum top quarks in pp collisions at root s=8 tev with the atlas detector

presents substructure hadronically decaying quarks jets. identifying quarks wrongly identifying jets quarks gluons quarks multijet atlas proton proton collisions hadron collider. monte carlo performance. rejection covering momenta accessible dataset. additionally optimized reconstruct quarks jets.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu gnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom

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4426261

10.1007/jhep07(2010)016

Double field theory describes a massless subsector of closed string theory with both momentum and winding excitations. The gauge algebra is governed by the Courant bracket in certain subsectors of this double field theory. We construct the associated nonlinear background-independent action that is T-duality invariant and realizes the Courant gauge algebra. The action is the sum of a standard action for gravity, antisymmetric tensor, and dilaton fields written with ordinary derivatives, a similar action for dual fields with dual derivatives, and a mixed term that is needed for gauge invariance

Background independent action for double field theory

background independent action for double field theory

describes massless subsector winding excitations. governed courant bracket subsectors theory. duality realizes courant algebra. antisymmetric dilaton ordinary derivatives derivatives invariance

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4426657

10.1007/jhep07(2010)035

If the lightest observable-sector supersymmetric particle (LOSP) is charged and long-lived, then it may be possible to indirectly measure the Planck mass at the LHC and provide a spectacular confirmation of supergravity as a symmetry of nature. Unfortunately, this proposal is only feasible if the gravitino is heavy enough to be measured at colliders, and this condition is in direct conflict with constraints from big bang nucleosynthesis (BBN). In this work, we show that the BBN bound can be naturally evaded in the presence of multiple sectors which independently break supersymmetry, since there is a new decay channel of the LOSP to a goldstino. Certain regions of parameter space allow for a direct measurement of LOSP decays into both the goldstino and the gravitino at the LHC. If the goldstino/gravitino mass ratio is measured to be 2, as suggested by theory, then this would provide dramatic verification of the existence of multiple supersymmetry breaking and sequestering. A variety of consistent cosmological scenarios are obtained within this framework. In particular, if an R symmetry is imposed, then the gauge–gaugino–goldstino interaction vertices can be forbidden. In this case, there is no bound on the reheating temperature from goldstino overproduction, and thermal leptogenesis can be accommodated consistently with gravitino dark matter

A definitive signal of multiple supersymmetry breaking

a definitive signal of multiple supersymmetry breaking

lightest observable supersymmetric losp lived indirectly planck spectacular confirmation supergravity nature. unfortunately proposal feasible gravitino colliders conflict bang nucleosynthesis naturally evaded sectors independently break supersymmetry losp goldstino. losp decays goldstino gravitino lhc. goldstino gravitino dramatic verification supersymmetry breaking sequestering. cosmological scenarios framework. imposed gauge–gaugino–goldstino forbidden. reheating goldstino overproduction leptogenesis accommodated consistently gravitino

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9066675

10.1007/jhep07(2011)060

Supersymmetric collider phenomenology depends crucially on whether the lightest observable-sector supersymmetric particle (LOSP) decays, and if so, what the LOSP decay products are. For instance, in SUSY models where the gravitino is lighter than the LOSP, the LOSP decays to its superpartner and a longitudinal gravitino via supercurrent couplings. In this paper, we show that LOSP decays can be substantially modi ed when there are multiple sectors that break supersymmetry, where in addition to the gravitino there are light uneaten goldstini. As a particularly striking example, a bino-like LOSP can have a near 100% branching fraction to a higgs boson and an uneaten goldstino, even if the LOSP has negligible higgsino fraction. This occurs because the uneaten goldstino is unconstrained by the supercurrent, allowing additional operators to mediate LOSP decay. These operators can be enhanced in the presence of a U(1)R symmetry, leading to copious boosted higgs production in SUSY cascade decays.United States. Dept. of Energy (cooperative research agreement DE-FG0205ER41360

Goldstini Can Give the Higgs a Boost

goldstini can give the higgs a boost

supersymmetric collider phenomenology crucially lightest observable supersymmetric losp decays losp are. susy gravitino lighter losp losp decays superpartner longitudinal gravitino supercurrent couplings. losp decays substantially modi sectors break supersymmetry gravitino uneaten goldstini. striking bino losp branching boson uneaten goldstino losp negligible higgsino fraction. uneaten goldstino unconstrained supercurrent allowing mediate losp decay. copious boosted susy cascade decays.united states. dept. cooperative

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30924635

10.1007/jhep07(2011)070

We study signatures of R-parity violation in the production of supersymmetric particles at the LHC, and the subsequent decay of the lightest neutralino being the end product of a supersymmetric cascade decay. In doing so, we pay particular attention to the possible flavour structure of the operators, and how one may discriminate between different possibilities. A neutralino LSP would couple to all quarks and leptons and a comparative study of its decays provides an optimal channel for the simultaneous study of all 45 R-violating operators. By studying the expected signals from all these operators, we demonstrate the ability to understand whether more than one coupling dominates, and to map the experimental signatures to operator hierarchies that can then be compared against theoretical models of flavour. Detailed comparisons with backgrounds, including those from MSSM cascade decays are made, using the PYTHIA event simulator

Flavour structure of R-violating neutralino decays at the LHC

flavour structure of r-violating neutralino decays at the lhc

signatures parity violation supersymmetric lightest neutralino supersymmetric cascade decay. flavour discriminate possibilities. neutralino couple quarks leptons comparative decays simultaneous violating operators. studying dominates signatures hierarchies flavour. comparisons backgrounds mssm cascade decays pythia simulator

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10128273

10.1007/jhep07(2012)007

Locality is a guiding principle for constructing realistic quantum field theories. Compactified theories offer an interesting context in which to think about locality, since interactions can be nonlocal in the compact directions while still being local in the extended ones. In this paper, we study locality in “theory space”, four-dimensional Lagrangians which are dimensional deconstructions of five-dimensional Yang-Mills. In explicit ultraviolet (UV) completions, one can understand the origin of theory space locality by the irrelevance of nonlocal operators. From an infrared (IR) point of view, though, theory space locality does not appear to be a special property, since the lowest-lying Kaluza- Klein (KK) modes are simply described by a gauged nonlinear sigma model, and locality imposes seemingly arbitrary constraints on the KK spectrum and interactions. We argue that these constraints are nevertheless important from an IR perspective, since they affect the four-dimensional cutoff of the theory where high energy scattering hits strong coupling. Intriguingly, we find that maximizing this cutoff scale implies five-dimensional locality. In this way, theory space locality is correlated with weak coupling in the IR, independent of UV considerations. We briefly comment on other scenarios where maximizing the cutoff scale yields interesting physics, including theory space descriptions of QCD and deconstructions of anti-de Sitter space.United States. Dept. of Energy (Cooperative Research Agreement DE-FG02-05ER-41360)United States. Dept. of Energy (Early Career Research Program DE-FG02-11ER-41741

Locality in theory space

locality in theory space

locality guiding constructing realistic theories. compactified offer think locality nonlocal directions ones. locality “theory space” lagrangians deconstructions mills. ultraviolet completions locality irrelevance nonlocal operators. infrared locality lying kaluza klein gauged sigma locality imposes seemingly interactions. argue nevertheless perspective cutoff hits coupling. intriguingly maximizing cutoff locality. locality considerations. briefly comment scenarios maximizing cutoff descriptions deconstructions sitter space.united states. dept. cooperative states. dept. career

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12958978

10.1007/jhep07(2012)011

Six-dimensional (1, 0) supersymmetric gauged Einstein-Maxwell supergravity is extended by the inclusion of a supersymmetric Riemann tensor squared invariant. Both the original model as well as the Riemann tensor squared invariant are formulated off-shell and consequently the total action is off-shell invariant without modification of the supersymmetry transformation rules. In this formulation, superconformal techniques, in which the dilaton Weyl multiplet plays a crucial role, are used. It is found that the gauging of the U(1) R-symmetry in the presence of the higher-order derivative terms does not modify the positive exponential in the dilaton potential. Moreover, the supersymmetric Minkowski4 × S2 compactification of the original model, without the higher-order derivatives, is remarkably left intact. It is shown that the model also admits non-supersymmetric vacuum solutions that are direct product spaces involving de Sitter spacetimes and negative curvature internal spaces.

Higher derivative extension of 6D chiral gauged supergravity

higher derivative extension of 6d chiral gauged supergravity

supersymmetric gauged einstein maxwell supergravity inclusion supersymmetric riemann squared invariant. riemann squared formulated modification supersymmetry rules. formulation superconformal dilaton weyl multiplet plays crucial used. gauging modify exponential dilaton potential. supersymmetric minkowski compactification derivatives remarkably intact. admits supersymmetric involving sitter spacetimes curvature spaces.

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143976807

10.1007/jhep07(2012)019

Using inelastic proton-proton interactions at s√=900 GeV and 7 TeV, recorded by the ATLAS detector at the LHC, measurements have been made of the correlations between forward and backward charged-particle multiplicities and, for the first time, between forward and backward charged-particle summed transverse momentum. In addition, jet-like structure in the events is studied by means of azimuthal distributions of charged particles relative to the charged particle with highest transverse momentum in a selected kinematic region of the event. The results are compared with predictions from tunes of the pythia and herwig++ Monte Carlo generators, which in most cases are found to provide a reasonable description of the data.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET and ERC, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany: GSRT, Greece; ISF, MINERVA, CIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SIR, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.info:eu-repo/semantics/publishedVersio

Forward-backward correlations and charged-particle azimuthal distributions in pp interactions using the ATLAS detector

forward-backward correlations and charged-particle azimuthal distributions in pp interactions using the atlas detector

inelastic proton proton atlas backward multiplicities backward summed momentum. azimuthal kinematic event. tunes pythia herwig monte carlo generators reasonable data.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet union cnrs irfu gnas georgia bmbf foundation gsrt greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mvzt slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america.info repo semantics publishedversio

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143976812

10.1007/jhep07(2012)167

Results are presented of a search for new particles decaying to large numbers of jets in association with missing transverse momentum, using 4.7 fb−1 of pp collision data at √s=7TeV collected by the ATLAS experiment at the Large Hadron Collider in 2011. The event selection requires missing transverse momentum, no isolated electrons or muons, and from ≥6 to ≥9 jets. No evidence is found for physics beyond the Standard Model. The results are interpreted in the context of a MSUGRA/CMSSM supersymmetric model, where, for large universal scalar mass m0, gluino masses smaller than 840 GeV are excluded at the 95% confidence level, extending previously published limits. Within a simplified model containing only a gluino octet and a neutralino, gluino masses smaller than 870 GeV are similarly excluded for neutralino masses below 100 GeV.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET and ERC, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNAS, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MVZT, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America.info:eu-repo/semantics/publishedVersio

Hunt for new phenomena using large jet multiplicities and missing transverse momentum with ATLAS in 4.7fb(-1) of root s=7 TeV proton-proton collisions

hunt for new phenomena using large jet multiplicities and missing transverse momentum with atlas in 4.7fb(-1) of root s=7 tev proton-proton collisions

decaying jets missing collision atlas hadron collider missing muons jets. model. interpreted msugra cmssm supersymmetric universal gluino excluded confidence extending limits. simplified gluino octet neutralino gluino excluded neutralino gev.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet union cnrs irfu gnas georgia bmbf foundation gsrt greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mvzt slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america.info repo semantics publishedversio

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55632533

10.1007/jhep07(2013)032

Measurements of the production of jets of particles in association with a Z boson in pp collisions at s√=7 TeV are presented, using data corresponding to an integrated luminosity of 4.6 fb−1 collected by the ATLAS experiment at the Large Hadron Collider. Inclusive and differential jet cross sections in Z events, with Z decaying into electron or muon pairs, are measured for jets with transverse momentum p T > 30 GeV and rapidity |y| < 4.4. The results are compared to next-to-leading-order perturbative QCD calculations, and to predictions from different Monte Carlo generators based on leading-order and next-to-leading-order matrix elements supplemented by parton showers.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Measurement of the production cross section of jets in association with a Z boson in pp collisions at s√ = 7 TeV with the ATLAS detector

measurement of the production cross section of jets in association with a z boson in pp collisions at s√ = 7 tev with the atlas detector

jets boson collisions luminosity atlas hadron collider. inclusive decaying muon jets rapidity perturbative monte carlo generators supplemented parton showers.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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19486016

10.1007/jhep07(2013)050

Solving large polynomial systems with coefficient parameters are ubiquitous and constitute an important class of problems. We demonstrate the computational power of two methods - a symbolic one called the Comprehensive Grobner basis and a numerical one called the cheater's homotopy - applied to studying both potential energy landscapes and a variety of questions arising from geometry and phenomenology. Particular attention is paid to an example in flux compactification where important physical quantities such as the gravitino and moduli masses and the string coupling can be efficiently extracted

Exploring the potential energy landscape over a large parameter-space

exploring the potential energy landscape over a large parameter-space

solving ubiquitous constitute problems. symbolic comprehensive grobner cheater homotopy studying landscapes arising phenomenology. paid compactification quantities gravitino moduli efficiently

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78056445

10.1007/jhep07(2014)086

A variety of gravitational dynamics problems in asymptotically anti-de Sitter (AdS) spacetime are amenable to efficient numerical solution using a common approach involving a null slicing of spacetime based on infalling geodesics, convenient exploitation of the residual diffeomorphism freedom, and use of spectral methods for discretizing and solving the resulting differential equations. Relevant issues and choices leading to this approach are discussed in detail. Three examples, motivated by applications to non-equilibrium dynamics in strongly coupled gauge theories, are discussed as instructive test cases. These are gravitational descriptions of homogeneous isotropization, collisions of planar shocks, and turbulent fluid flows in two spatial dimensions.MIT Department of Physics Pappalardo Progra

Numerical solution of gravitational dynamics in asymptotically anti-de Sitter spacetimes

numerical solution of gravitational dynamics in asymptotically anti-de sitter spacetimes

gravitational asymptotically sitter spacetime amenable involving slicing spacetime infalling geodesics convenient exploitation residual diffeomorphism freedom discretizing solving equations. choices detail. motivated instructive cases. gravitational descriptions homogeneous isotropization collisions planar shocks turbulent flows dimensions.mit pappalardo progra

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55639270

10.1007/jhep07(2015)032

We search for evidence of physics beyond the Standard Model in the production of final states with multiple high transverse momentum jets, using 20.3 fb−1 of proton-proton collision data recorded by the ATLAS detector at s√ = 8 TeV. No excess of events beyond Standard Model expectations is observed, and upper limits on the visible cross-section for non-Standard Model production of multi-jet final states are set. Using a wide variety of models for black hole and string ball production and decay, the limit on the cross-section times acceptance is as low as 0.16 fb at the 95% CL for a minimum scalar sum of jet transverse momentum in the event of about 4.3 TeV. Using models for black hole and string ball production and decay, exclusion contours are determined as a function of the production mass threshold and the gravity scale. These limits can be interpreted in terms of lower-mass limits on black hole and string ball production that range from 4.6 to 6.2 TeV.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN, Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Search for low-scale gravity signatures in multi-jet final states with the ATLAS detector at s√ = 8 TeV

search for low-scale gravity signatures in multi-jet final states with the atlas detector at s√ = 8 tev

jets proton proton collision atlas tev. excess expectations visible set. ball acceptance tev. ball exclusion contours scale. interpreted ball tev.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece hong kong minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal romania russia russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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78063474

10.1007/jhep07(2015)042

A search for pair production of third-generation scalar leptoquarks decaying to top quark and τ lepton pairs is presented using proton-proton collision data at a center-of-mass energy of √s = 8 TeV collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 19.7 fb[superscript −1]. The search is performed using events that contain an electron or a muon, a hadronically decaying τ lepton, and two or more jets. The observations are found to be consistent with the standard model predictions. Assuming that all leptoquarks decay to a top quark and a τ lepton, the existence of pair produced, charge −1/3, third-generation leptoquarks up to a mass of 685 GeV is excluded at 95% confidence level. This result constitutes the first direct limit for leptoquarks decaying into a top quark and a τ lepton, and may also be applied directly to the pair production of bottom squarks decaying predominantly via the R-parity violating coupling λ [subscript 333] ′.United States. Dept. of EnergyNational Science Foundation (U.S.)Alfred P. Sloan Foundatio

Search for third-generation scalar leptoquarks in the tτ channel in proton-proton collisions at √s = 8 TeV

search for third-generation scalar leptoquarks in the tτ channel in proton-proton collisions at √s = 8 tev

leptoquarks decaying lepton proton proton collision luminosity superscript muon hadronically decaying lepton jets. predictions. leptoquarks lepton leptoquarks excluded confidence level. constitutes leptoquarks decaying lepton squarks decaying predominantly parity violating subscript ′.united states. dept. energynational foundation u.s. alfred sloan foundatio

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55639319

10.1007/jhep07(2015)157

A search for high-mass resonances decaying into τ+τ− final states using proton-proton collisions at s√=8 TeV produced by the Large Hadron Collider is presented. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 19.5-20.3 fb−1. No statistically significant excess above the Standard Model expectation is observed; 95% credibility upper limits are set on the cross section times branching fraction of Z′ resonances decaying into τ+τ− pairs as a function of the resonance mass. As a result, Z′ bosons of the Sequential Standard Model with masses less than 2.02 TeV are excluded at 95% credibility. The impact of the fermionic couplings on the Z′ acceptance is investigated and limits are also placed on a Z′ model that exhibits enhanced couplings to third-generation fermions.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN, Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

A search for high-mass resonances decaying to τ+τ− in pp collisions at s√=8 TeV with the ATLAS detector

a search for high-mass resonances decaying to τ+τ− in pp collisions at s√=8 tev with the atlas detector

resonances decaying proton proton collisions hadron collider presented. atlas luminosity statistically excess expectation credibility branching resonances decaying mass. bosons sequential excluded credibility. fermionic couplings acceptance placed exhibits couplings fermions.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece hong kong minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal romania russia russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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55639318

10.1007/jhep07(2015)162

A search for heavy Majorana neutrinos in events containing a pair of high-pT leptons of the same charge and high-pT jets is presented. The search uses 20.3fb−1 of pp collision data collected with the ATLAS detector at the CERN Large Hadron Collider with a centre-of-mass energy of s√=8 TeV. The data are found to be consistent with the background-only hypothesis based on the Standard Model expectation. In the context of a Type-I seesaw mechanism, limits are set on the production cross-section times branching ratio for production of heavy Majorana neutrinos in the mass range between 100 and 500 GeV. The limits are subsequently interpreted as limits on the mixing between the heavy Majorana neutrinos and the Standard Model neutrinos. In the context of a left-right symmetric model, limits on the production cross-section times branching ratio are set with respect to the masses of heavy Majorana neutrinos and heavy gauge bosons WR and Z′.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN, Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Search for heavy Majorana neutrinos with the ATLAS detector in pp collisions at s√=8 TeV

search for heavy majorana neutrinos with the atlas detector in pp collisions at s√=8 tev

majorana neutrinos leptons jets presented. collision atlas cern hadron collider tev. expectation. seesaw branching majorana neutrinos gev. subsequently interpreted majorana neutrinos neutrinos. branching majorana neutrinos bosons z′.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece hong kong minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal romania russia russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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157767670

10.1007/jhep07(2016)014

We consider possible discretizations for a gauge-fixed Green-Schwarz action of Type IIB superstring. We use them for measuring the action, from which we extract the cusp anomalous dimension of planar N=4 SYM as derived from AdS/CFT, as well as the mass of the two AdS excitations transverse to the relevant null cusp classical string solution. We perform lattice simulations employing a Rational Hybrid Monte Carlo (RHMC) algorithm and two Wilson-like fermion discretizations, one of which preserves the global SO(6) symmetry the model. We compare our results with the expected behavior at various values of g=λ√4π . For both the observables, we find a good agreement for large g, which is the perturbative regime of the sigma-model. For smaller values of g, the expectation value of the action exhibits a deviation compatible with the presence of quadratic divergences. After their non-perturbative subtraction the continuum limit can be taken, and suggests a qualitative agreement with the non-perturbative expectation from AdS/CFT. Furthermore, we detect a phase in the fermion determinant, whose origin we explain, that for small g leads to a sign problem not treatable via standard reweigthing. The continuum extrapolations of the observables in the two different discretizations agree within errors, which is strongly suggesting that they lead to the same continuum limit. Part of the results discussed here were presented earlier in [1]

Green-Schwarz superstring on the lattice

green-schwarz superstring on the lattice

discretizations schwarz superstring. measuring extract cusp anomalous planar excitations cusp solution. employing rational hybrid monte carlo rhmc wilson fermion discretizations preserves model. observables perturbative sigma model. expectation exhibits compatible quadratic divergences. perturbative subtraction continuum qualitative perturbative expectation cft. detect fermion determinant treatable reweigthing. continuum extrapolations observables discretizations agree continuum limit.

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74226566

10.1007/jhep07(2016)072

Simple Composite Higgs models predict new vector-like fermions not too far from the electroweak scale, yet LHC limits are now sensitive to the TeV scale. Motivated by this tension, we explore the holographic dual of the minimal model, MCHM5, to try and alleviate this tension without increasing the fine-tuning in the Higgs potential. Interestingly, we find that lowering the UV cutoff in the 5D picture allows for heavier top partners and less fine-tuning. In the 4D dual this corresponds to increasing the number of “colours” N , thus increasing the decay constant of the Goldstone Higgs. This is essentially a ‘Little Randall-Sundrum Model’, which are known to reduce some flavour and electroweak constraints. Furthermore, in anticipation of the ongoing efforts at the LHC to put bounds on the top Yukawa, we demonstrate that deviations from the SM can be suppressed or enhanced with respect to what is expected from mere symmetry arguments in 4D. We conclude that the 5D holographic realisation of the MCHM5 with a small UV cutoff is not in tension with the current experimental data

Exploring holographic Composite Higgs models

exploring holographic composite higgs models

composite predict fermions electroweak scale. motivated tension explore holographic mchm alleviate tension fine tuning potential. interestingly lowering cutoff picture heavier partners fine tuning. “colours” goldstone higgs. essentially ‘little randall sundrum model’ flavour electroweak constraints. anticipation ongoing efforts bounds yukawa deviations suppressed mere arguments holographic realisation mchm cutoff tension

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160021955

10.1007/jhep07(2018)015

We investigate geometric aspects of double field theory (DFT) and its formulation as a doubled membrane sigma-model. Starting from the standard Courant algebroid over the phase space of an open membrane, we determine a splitting and a projection to a subbundle that sends the Courant algebroid operations to the corresponding operations in DFT. This describes precisely how the geometric structure of DFT lies in between two Courant algebroids and is reconciled with generalized geometry. We construct the membrane sigma-model that corresponds to DFT, and demonstrate how the standard T-duality orbit of geometric and non-geometric flux backgrounds is captured by its action functional in a unified way. This also clarifies the appearence of noncommutative and nonassociative deformations of geometry in non-geometric closed string theory. Gauge invariance of the DFT membrane sigma-model is compatible with the flux formulation of DFT and its strong constraint, whose geometric origin is explained. Our approach leads to a new generalization of a Courant algebroid, that we call a DFT algebroid and relate to other known generalizations, such as pre-Courant algebroids and symplectic nearly Lie 2-algebroids. We also describe the construction of a gauge-invariant doubled membrane sigma-model that does not require imposing the strong constraint

Double field theory and membrane sigma-models

double field theory and membrane sigma-models

geometric formulation doubled sigma model. courant algebroid splitting projection subbundle sends courant algebroid operations operations dft. describes precisely geometric lies courant algebroids reconciled geometry. sigma duality orbit geometric geometric backgrounds captured unified way. clarifies appearence noncommutative nonassociative deformations geometric theory. invariance sigma compatible formulation geometric explained. generalization courant algebroid call algebroid relate generalizations courant algebroids symplectic nearly algebroids. doubled sigma imposing

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4426262

10.1007/jhep08(2010)008

The generalized metric is a T-duality covariant symmetric matrix constructed from the metric and two-form gauge field and arises in generalized geometry. We view it here as a metric on the doubled spacetime and use it to give a simple formulation with manifest T-duality of the double field theory that describes the massless sector of closed strings. The gauge transformations are written in terms of a generalized Lie derivative whose commutator algebra is defined by a double field theory extension of the Courant bracket.United States. Dept. of Energy (DE-FG02-05ER41360

Generalized metric formulation of double field theory

generalized metric formulation of double field theory

duality covariant arises geometry. doubled spacetime formulation manifest duality describes massless strings. transformations commutator courant bracket.united states. dept.

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9066657

10.1007/jhep08(2011)051

We formulate a holographic Wilsonian renormalization group flow for strongly coupled systems with a gravity dual, motivated by the need to extract efficiently low energy behavior of such systems. Starting with field theories defined on a cut-off surface in a bulk spacetime, we propose that integrating out high energy modes in the field theory should correspond to integrating out a part of the bulk geometry. We describe how to carry out this procedure in practice in the classical gravity approximation using examples of scalar and vector fields. By integrating out bulk degrees of freedom all the way to a black hole horizon, this formulation defines a refined version of the black hole membrane paradigm. Furthermore, it also provides a derivation of the semi-holographic description of low energy physics.United States. Dept. of Energy (cooperative research agreement DE-FG0205ER41360)United States. Dept. of Energy. Outstanding Junior Investigator Progra

Integrating out geometry: holographic Wilsonian RG and the membrane paradigm

integrating out geometry: holographic wilsonian rg and the membrane paradigm

formulate holographic wilsonian renormalization motivated extract efficiently systems. spacetime propose integrating integrating geometry. carry fields. integrating freedom horizon formulation defines refined paradigm. derivation holographic physics.united states. dept. cooperative states. dept. energy. outstanding junior investigator progra

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9066674

10.1007/jhep08(2011)115

When supersymmetry is broken in multiple sectors via independent dynamics, the theory furnishes a corresponding multiplicity of “goldstini” degrees of freedom which may play a substantial role in collider phenomenology and cosmology. In this paper, we explore the tree-level mass spectrum of goldstini arising from a general admixture of F -term, D -term, and almost no-scale supersymmetry breaking, employing non-linear superfields and a novel gauge fixing for supergravity discussed in a companion paper. In theories of F -term and D -term breaking, goldstini acquire a mass which is precisely twice the gravitino mass, while the inclusion of no-scale breaking renders one of these modes, the modulino, massless. We argue that the vanishing modulino mass can be explained in terms of an accidental and spontaneously broken “global” supersymmetry.United States. Dept. of Energy (cooperative research agreement DE-FG02-05ER41360

The Spectrum of Goldstini and Modulini

the spectrum of goldstini and modulini

supersymmetry broken sectors furnishes multiplicity “goldstini” freedom substantial collider phenomenology cosmology. explore goldstini arising admixture supersymmetry breaking employing superfields fixing supergravity companion paper. breaking goldstini acquire precisely twice gravitino inclusion breaking renders modulino massless. argue vanishing modulino accidental spontaneously broken “global” supersymmetry.united states. dept. cooperative

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78053901

10.1007/jhep08(2012)032

The Hodge numbers of generic elliptically fibered Calabi-Yau threefolds over toric base surfaces fill out the “shield” structure previously identified by Kreuzer and Skarke. The connectivity structure of these spaces and bounds on the Hodge numbers are illuminated by considerations from F-theory and the minimal model program. In particular, there is a rigorous bound on the Hodge number h [subscript 21] ≤ 491 for any elliptically fibered Calabi-Yau threefold. The threefolds with the largest known Hodge numbers are associated with a sequence of blow-ups of toric bases beginning with the Hirzebruch surface F[subscript 12] and ending with the toric base for the F-theory model with largest known gauge group.United States. Dept. of Energy (Contract DE-FC02-94ER40818

On the Hodge structure of elliptically fibered Calabi-Yau threefolds

on the hodge structure of elliptically fibered calabi-yau threefolds

hodge generic elliptically fibered calabi threefolds toric fill “shield” kreuzer skarke. connectivity bounds hodge illuminated considerations program. rigorous hodge subscript elliptically fibered calabi threefold. threefolds hodge blow toric bases beginning hirzebruch subscript ending toric group.united states. dept. contract

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17188908

10.1007/jhep08(2013)043

We bootstrap the all-loop dynamic S-matrix for the homogeneous psu (1, 1|2)2 spin-chain believed to correspond to the discretization of the massive modes of string theory on AdS3 × S 3 × T 4. The S-matrix is the tensor product of two copies of the su (1|1)2 invariant S-matrix constructed recently for the d (2, 1; α)2 chain, and depends on two anti-symmetric dressing phases. We write down the crossing equations that these phases have to satisfy. Furthermore, we present the corresponding Bethe Ansatz, which differs from the one previously conjectured, and discuss how our construction matches several recent perturbative calculations

The all-loop integrable spin-chain for strings on AdS3 × S 3 × T 4: The massive sector

the all-loop integrable spin-chain for strings on ads3 × s 3 × t 4: the massive sector

bootstrap homogeneous believed discretization massive copies dressing phases. crossing satisfy. bethe ansatz differs conjectured matches perturbative

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28948620

10.1007/jhep08(2013)088

We consider the prospects for natural SUSY models consistent with current data. Recent constraints make the standard paradigm unnatural so we consider what could be a minimal extension consistent with what we now know. The most promising such scenarios extend the MSSM with new tree-level Higgs interactions that can lift its mass to at least 125 GeV and also allow for flavor-dependent soft terms so that the third generation squarks are lighter than current bounds on the first and second generation squarks. We argue that a common feature of almost all such models is the need for a new scale near 10 TeV, such as a scale of Higgsing or confinement of a new gauge group. We consider the question whether such a model can naturally derive from a single mass scale associated with supersymmetry breaking. Most such models simply postulate new scales, leaving their proximity to the scale of MSSM soft terms a mystery. This coincidence problem may be thought of as a mild tuning, analogous to the usual μ problem. We find that a single mass scale origin is challenging, but suggest that a more natural origin for such a new dynamical scale is the gravitino mass, m 3/2, in theories where the MSSM soft terms are a loop factor below m 3/2. As an example, we build a variant of the NMSSM where the singlet S is composite, and the strong dynamics leading to compositeness is triggered by masses of order m 3/2 for some fields. Our focus is the Higgs sector, but our model is compatible with a light stop (either with the first and second generation squarks heavy, or with R-parity violation or another mechanism to hide them from current searches). All the interesting low-energy mass scales, including linear terms for S playing a key role in EWSB, arise dynamically from the single scale m 3/2. However, numerical coefficients from RG effects and wavefunction factors in an extra dimension complicate the otherwise simple story.Physic

Single-scale natural SUSY

single-scale natural susy

prospects susy data. paradigm unnatural know. promising scenarios extend mssm lift flavor squarks lighter bounds squarks. argue higgsing confinement group. naturally derive supersymmetry breaking. postulate leaving proximity mssm mystery. coincidence thought mild tuning analogous usual problem. challenging gravitino mssm build variant nmssm singlet composite compositeness triggered fields. compatible stop squarks parity violation hide searches playing ewsb arise dynamically wavefunction extra complicate story.physic

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78053914

10.1007/jhep08(2013)130

Natural theories of the weak scale often include fermionic partners of the top quark. If the electroweak symmetry breaking sector contains scalars beyond a single Higgs doublet, then top partners can have sizable branching ratios to these extended Higgs sector states. In fact, top partner decays may provide the most promising discovery mode for such scalars, especially given the large backgrounds to direct and associated production. In this paper, we present a search strategy for top partner decays to a charged Higgs boson and a bottom quark, focusing on the case where the charged Higgs dominantly decays to third-generation quarks to yield a multi-b final state. We also discuss ways to extend this search to exotic neutral scalars decaying to bottom quark pairs.United States. Dept. of Energy (Cooperative Research Agreement DE-FG02-05ER-41360)United States. Dept. of Energy (Early Career Research Program DE-FG02-11ER-41741

Top partner probes of extended Higgs sectors

top partner probes of extended higgs sectors

fermionic partners quark. electroweak breaking scalars doublet partners sizable branching states. partner decays promising discovery scalars backgrounds production. partner decays boson focusing dominantly decays quarks state. ways extend exotic neutral scalars decaying pairs.united states. dept. cooperative states. dept. career

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83234246

10.1007/jhep08(2013)131

The angular distribution and differential branching fraction of the decay B[superscript O]→ K*[superscript O]μ⁺μ⁻ are studied using a data sample, collected by the LHCb experiment in pp collisions at s√=7 TeV, corresponding to an integrated luminosity of 1.0 fb⁻¹. Several angular observables are measured in bins of the dimuon invariant mass squared, q². A first measurement of the zero-crossing point of the forward-backward asymmetry of the dimuon system is also presented. The zero-crossing point is measured to be q²₀=4.9±0.9GeV²/c⁴, where the uncertainty is the sum of statistical and systematic uncertainties. The results are consistent with the Standard Model predictions

Differential branching fraction and angular analysis of the decay B 0 → K ∗0 μ + μ −

differential branching fraction and angular analysis of the decay b 0 → k ∗0 μ + μ −

branching superscript superscript μ⁺μ⁻ lhcb collisions luminosity fb⁻¹. observables bins dimuon squared crossing backward asymmetry dimuon presented. crossing gev² uncertainties.

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30926775

10.1007/jhep08(2014)118

The supersymmetric contributions to the muon anomalous magnetic moment a μ and to the decay μ → eγ are given by very similar Feynman diagrams. Previous works reported correlations in specific scenarios, in particular if a μ is dominated by a single diagram. In this work we give an extensive survey of the possible correlations. We discuss examples of single-diagram domination with particularly strong correlations, and provide corresponding benchmark parameter points. We show how the correlations are weakened by significant cancellations between diagrams in large parts of the MSSM parameter space. Nevertheless, the order of magnitude of BR(μ → eγ) for a fixed flavor-violating parameter can often be predicted. We summarize the behavior by plotting the correlations as well as resulting bounds on the flavor-violating parameters under various assumptions on the MSSM spectrum

Understanding the correlation between (g − 2) μ and μ → eγ in the MSSM

understanding the correlation between (g − 2) μ and μ → eγ in the mssm

supersymmetric muon anomalous moment feynman diagrams. scenarios dominated diagram. extensive correlations. domination benchmark points. weakened cancellations diagrams mssm space. nevertheless flavor violating predicted. summarize plotting bounds flavor violating assumptions mssm

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78056447

10.1007/jhep08(2014)126

Almheiri et al. have emphasized that otherwise reasonable beliefs about black hole evaporation are incompatible with the monogamy of quantum entanglement, a general property of quantum mechanics. We investigate the final-state projection model of black hole evaporation proposed by Horowitz and Maldacena, pointing out that this model admits cloning of quantum states and polygamous entanglement, allowing unitarity of the evaporation process to be reconciled with smoothness of the black hole event horizon. Though the model seems to require carefully tuned dynamics to ensure exact unitarity of the black hole S-matrix, for a generic final-state boundary condition the deviations from unitarity are exponentially small in the black hole entropy; furthermore observers inside black holes need not detect any deviations from standard quantum mechanics. Though measurements performed inside old black holes could potentially produce causality-violating phenomena, the computational complexity of decoding the Hawking radiation may render the causality violation unobservable. Final-state projection models illustrate how inviolable principles of standard quantum mechanics might be circumvented in a theory of quantum gravity.United States. Defense Advanced Research Projects AgencyUnited States. Air Force Office of Scientific ResearchUnited States. Army Research Office. Multidisciplinary University Research InitiativeJeffrey Epstein VI Foundatio

Unitarity of black hole evaporation in final-state projection models

unitarity of black hole evaporation in final-state projection models

almheiri emphasized reasonable beliefs evaporation incompatible monogamy entanglement mechanics. projection evaporation horowitz maldacena pointing admits cloning polygamous entanglement allowing unitarity evaporation reconciled smoothness horizon. carefully tuned ensure unitarity generic deviations unitarity exponentially observers holes detect deviations mechanics. holes potentially causality violating phenomena decoding hawking render causality violation unobservable. projection illustrate inviolable principles mechanics circumvented gravity.united states. defense advanced projects agencyunited states. office researchunited states. army office. multidisciplinary initiativejeffrey epstein foundatio

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78056442

10.1007/jhep08(2014)143

The kinematic dependences of the relative production rates, fΛ[0 over b]/fd , of Λ [0 over b] baryons and B 0 mesons are measured using Λ [0 over b] → Λ [+ over c] π − and B¯¯0 →D+π− decays. The measurements use proton-proton collision data, corresponding to an integrated luminosity of 1 fb−1 at a centre-of-mass energy of 7 TeV, recorded in the forward region with the LHCb experiment. The relative production rates are observed to depend on the transverse momentum, p T, and pseudorapidity, η, of the beauty hadron, in the studied kinematic region 1.5 < p T < 40 GeV/c and 2 < η < 5. Using a previous LHCb measurement of fΛ0b/fd in semileptonic decays, the branching fraction ℬ(Λ [0 over b]  → Λ [+ over c] π −) = (4.30 ± 0.03 − 0.11 + 0.12  ± 0.26 ± 0.21) × 10− 3 is obtained, where the first uncertainty is statistical, the second is systematic, the third is from the previous LHCb measurement of fΛ0b/fd and the fourth is due to the b B¯¯0 →D+π− branching fraction. This is the most precise measurement of a Λ [0 over b] branching fraction to date.National Science Foundation (U.S.

Study of the kinematic dependences of Λ b 0 production in pp collisions and a measurement of the Λ b 0  → Λ c + π − branc

study of the kinematic dependences of λ b 0 production in pp collisions and a measurement of the λ b 0 → λ c + π − branc

kinematic dependences baryons mesons decays. proton proton collision luminosity lhcb experiment. pseudorapidity beauty hadron kinematic lhcb semileptonic decays branching lhcb fourth branching fraction. precise branching date.national foundation u.s.

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78056463

10.1007/jhep08(2014)173

A search is reported for massive resonances decaying into a quark and a vector boson (W or Z), or two vector bosons (WW, WZ, or ZZ). The analysis is performed on an inclusive sample of multijet events corresponding to an integrated luminosity of 19.7 fb[superscript −1], collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. The search uses novel jet-substructure identification techniques that provide sensitivity to the presence of highly boosted vector bosons decaying into a pair of quarks. Exclusion limits are set at a confidence level of 95% on the production of: (i) excited quark resonances q*decaying to qW and qZ for masses less than 3.2 TeV and 2.9 TeV, respectively, (ii) a Randall-Sundrum graviton G[subscript RS] decaying into WW for masses below 1.2 TeV, and (iii) a heavy partner of the W boson W′ decaying into WZ for masses less than 1.7 TeV. For the first time mass limits are set on W′ → WZ and G[subscript RS] → WW in the all-jets final state. The mass limits on q* → qW, q* → qZ, W′ → WZ, GRS → WW are the most stringent to date. A model with a “bulk” graviton G[subscript bulk] that decays into WW or ZZ bosons is also studied.United States. Dept. of EnergyNational Science Foundation (U.S.)Alfred P. Sloan Foundatio

Search for massive resonances in dijet systems containing jets tagged as W or Z boson decays in pp collisions at √s = 8 TeV

search for massive resonances in dijet systems containing jets tagged as w or z boson decays in pp collisions at √s = 8 tev

massive resonances decaying boson bosons inclusive multijet luminosity superscript proton proton collisions lhc. substructure boosted bosons decaying quarks. exclusion confidence excited resonances decaying randall sundrum graviton subscript decaying partner boson decaying tev. subscript jets state. stringent date. “bulk” graviton subscript decays bosons studied.united states. dept. energynational foundation u.s. alfred sloan foundatio

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78056462

10.1007/jhep08(2014)174

A search for new resonances decaying to WW, ZZ, or WZ is presented. Final states are considered in which one of the vector bosons decays leptonically and the other hadronically. Results are based on data corresponding to an integrated luminosity of 19.7 fb−1 recorded in proton-proton collisions at s√ = 8 TeV with the CMS detector at the CERN LHC. Techniques aiming at identifying jet substructures are used to analyze signal events in which the hadronization products from the decay of highly boosted W or Z bosons are contained within a single reconstructed jet. Upper limits on the production of generic WW, ZZ, or WZ resonances are set as a function of the resonance mass and width. We increase the sensitivity of the analysis by statistically combining the results of this search with a complementary study of the all-hadronic final state. Upper limits at 95% confidence level are set on the bulk graviton production cross section in the range from 700 to 10 fb for resonance masses between 600 and 2500 GeV, respectively. These limits on the bulk graviton model are the most stringent to date in the diboson final state.United States. Dept. of EnergyNational Science Foundation (U.S.

Search for massive resonances decaying into pairs of boosted bosons in semi-leptonic final states at s $$ \sqrt{s} $$ = 8 TeV

search for massive resonances decaying into pairs of boosted bosons in semi-leptonic final states at s $$ \sqrt{s} $$ = 8 tev

resonances decaying presented. bosons decays leptonically hadronically. luminosity proton proton collisions cern lhc. aiming identifying substructures analyze hadronization boosted bosons reconstructed jet. generic resonances width. statistically combining complementary hadronic state. confidence graviton respectively. graviton stringent diboson state.united states. dept. energynational foundation u.s.

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55640031

10.1007/jhep08(2015)022

We perform Monte-Carlo simulations of the three-dimensional Ising model at the critical temperature and zero magnetic field. We simulate the system in a ball with free boundary conditions on the two dimensional spherical boundary. Our results for one and two point functions in this geometry are consistent with the predictions from the conjectured conformal symmetry of the critical Ising model.We are grateful to Slava Rychkov for useful discussions and for suggesting this work. The research leading to these results has received funding from the [European Union] Seventh Framework Programme [FP7-People-2010-IRSES] and [FP7/2007-2013] under grant agreements No 269217, 317089 and No 247252, and from the grant CERN/FP/123599/2011. Centro de Física do Porto is partially funded by the Foundation for Science and Technology of Portugal (FCT). J.V.P.L. acknowledges funding from projecto Operacional Regional do Norte, within Quadro de Referência Estratégico Nacional (QREN) and through Fundo Europeu de Desenvolvimento Regional (FEDER), Ref. NORTE-07-0124-FEDER- 00003

Conformal symmetry of the critical 3D Ising model inside a sphere

conformal symmetry of the critical 3d ising model inside a sphere

monte carlo ising field. simulate ball spherical boundary. conjectured conformal ising model.we grateful slava rychkov discussions work. funding union seventh programme irses agreements cern centro física porto partially funded foundation portugal j.v.p.l. acknowledges funding projecto operacional norte quadro referência estratégico nacional qren fundo europeu desenvolvimento feder ref. norte feder

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55640076

10.1007/jhep08(2015)137

A search for Higgs boson production in association with a W or Z boson, in the H→ W W ∗ decay channel, is performed with a data sample collected with the ATLAS detector at the LHC in proton-proton collisions at centre-of-mass energies s√=7 TeV and 8 TeV, corresponding to integrated luminosities of 4.5 fb−1 and 20.3 fb−1, respectively. The WH production mode is studied in two-lepton and three-lepton final states, while two- lepton and four-lepton final states are used to search for the ZH production mode. The observed significance, for the combined W H and ZH production, is 2.5 standard deviations while a significance of 0.9 standard deviations is expected in the Standard Model Higgs boson hypothesis. The ratio of the combined W H and ZH signal yield to the Standard Model expectation, μ V H , is found to be μ V H  = 3.0 − 1.1 + 1.3 (stat.) − 0.7 + 1.0 (sys.) for the Higgs boson mass of 125.36 GeV. The W H and ZH production modes are also combined with the gluon fusion and vector boson fusion production modes studied in the H → W W ∗ → ℓνℓν decay channel, resulting in an overall observed significance of 6.5 standard deviations and μ ggF + VBF + VH = 1. 16 − 0.15 + 0.16 (stat.) − 0.15 + 0.18 (sys.). The results are interpreted in terms of scaling factors of the Higgs boson couplings to vector bosons (κ V ) and fermions (κ F ); the combined results are: |κ V | = 1.06 − 0.10 + 0.10 , |κ F | = 0. 85 − 0.20 + 0.26 .We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN, Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Study of (W/Z)H production and Higgs boson couplings using H -> WW* decays with the ATLAS detector

study of (w/z)h production and higgs boson couplings using h -> ww* decays with the atlas detector

boson boson atlas proton proton collisions luminosities respectively. lepton lepton lepton lepton mode. deviations deviations boson hypothesis. expectation stat. sys. boson gev. gluon fusion boson fusion ℓνℓν deviations stat. sys. interpreted boson couplings bosons fermions acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece hong kong minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal romania russia russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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55640079

10.1007/jhep08(2015)138

A generic search for anomalous production of events with at least three charged leptons is presented. The data sample consists of pp collisions at s√=8 TeV collected in 2012 by the ATLAS experiment at the CERN Large Hadron Collider, and corresponds to an integrated luminosity of 20.3 fb−1. Events are required to have at least three selected lepton candidates, at least two of which must be electrons or muons, while the third may be a hadronically decaying tau. Selected events are categorized based on their lepton flavour content and signal regions are constructed using several kinematic variables of interest. No significant deviations from Standard Model predictions are observed. Model-independent upper limits on contributions from beyond the Standard Model phenomena are provided for each signal region, along with prescription to re-interpret the limits for any model. Constraints are also placed on models predicting doubly charged Higgs bosons and excited leptons. For doubly charged Higgs bosons decaying to eτ or μτ, lower limits on the mass are set at 400 GeV at 95% confidence level. For excited leptons, constraints are provided as functions of both the mass of the excited state and the compositeness scale Λ, with the strongest mass constraints arising in regions where the mass equals Λ. In such scenarios, lower mass limits are set at 3.0 TeV for excited electrons and muons, 2.5 TeV for excited taus, and 1.6 TeV for every excited-neutrino flavour.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; RGC, Hong Kong SAR, China; ISF, MINERVA, GIF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW and NCN, Poland; GRICES and FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Search for new phenomena in events with three or more charged leptons in pp collisions at TeV with the ATLAS detector

search for new phenomena in events with three or more charged leptons in pp collisions at tev with the atlas detector

generic anomalous leptons presented. collisions atlas cern hadron collider luminosity lepton candidates muons hadronically decaying tau. categorized lepton flavour kinematic interest. deviations observed. phenomena prescription interpret model. placed predicting doubly bosons excited leptons. doubly bosons decaying confidence level. excited leptons excited compositeness strongest arising equals scenarios excited muons excited taus excited flavour.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece hong kong minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal romania russia russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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76177459

10.1007/jhep08(2016)005

A measurement of the cross section for the inclusive production of isolated prompt photons in proton-proton collisions at a centre-of-mass energy of √s=8 TeV is presented. The measurement covers the pseudorapidity ranges |ηγ | < 1.37 and 1.56 ≤ |ηγ | < 2.37 in the transverse energy range 25 < ETγ < 1500 GeV. The results are based on an integrated luminosity of 20.2 fb−1, recorded by the ATLAS detector at the LHC. Photon candidates are identified by combining information from the calorimeters and the inner tracker. The background is subtracted using a data-driven technique, based on the observed calorimeter shower-shape variables and the deposition of hadronic energy in a narrow cone around the photon candidate. The measured cross sections are compared with leading-order and next-to-leading order perturbative QCD calculations and are found to be in a good agreement over ten orders of magnitude.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom

Measurement of the inclusive isolated prompt photon cross section in pp collisions at root s=8 TeV with the ATLAS detector

measurement of the inclusive isolated prompt photon cross section in pp collisions at root s=8 tev with the atlas detector

inclusive prompt photons proton proton collisions presented. covers pseudorapidity ranges gev. luminosity atlas lhc. candidates combining calorimeters tracker. subtracted calorimeter shower deposition hadronic narrow cone candidate. perturbative orders magnitude.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu gnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom

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76177467

10.1007/jhep08(2016)009

This paper presents a measurement of the double-differential cross section for the Drell-Yan Z/γ∗ → ℓ+ℓ− and photon-induced γγ → ℓ+ℓ− processes where ℓ is an electron or muon. The measurement is performed for invariant masses of the lepton pairs, mℓℓ, between 116 GeV and 1500 GeV using a sample of 20.3 fb−1 of pp collisions data at centre-of-mass energy of s√=8 TeV collected by the ATLAS detector at the LHC in 2012. The data are presented double differentially in invariant mass and absolute dilepton rapidity as well as in invariant mass and absolute pseudorapidity separation of the lepton pair. The single-differential cross section as a function of mℓℓ is also reported. The electron and muon channel measurements are combined and a total experimental precision of better than 1% is achieved at low mℓℓ. A comparison to next-to-next-to-leading order perturbative QCD predictions using several recent parton distribution functions and including next-to-leading order electroweak effects indicates the potential of the data to constrain parton distribution functions. In particular, a large impact of the data on the photon PDF is demonstrated.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom

Measurement of the double-differential high-mass Drell-Yan cross section in pp collisions at √s = 8 TeV with the ATLAS detector

measurement of the double-differential high-mass drell-yan cross section in pp collisions at √s = 8 tev with the atlas detector

presents drell muon. lepton collisions atlas differentially dilepton rapidity pseudorapidity lepton pair. reported. muon precision mℓℓ. perturbative parton electroweak constrain parton functions. demonstrated.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu gnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom

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76177465

10.1007/jhep08(2016)045

Combined ATLAS and CMS measurements of the Higgs boson production and decay rates, as well as constraints on its couplings to vector bosons and fermions, are presented. The combination is based on the analysis of five production processes, namely gluon fusion, vector boson fusion, and associated production with a W or a Z boson or a pair of top quarks, and of the six decay modes H → ZZ, W W , γγ, ττ, bb, and μμ. All results are reported assuming a value of 125.09 GeV for the Higgs boson mass, the result of the combined measurement by the ATLAS and CMS experiments. The analysis uses the CERN LHC proton-proton collision data recorded by the ATLAS and CMS experiments in 2011 and 2012, corresponding to integrated luminosities per experiment of approximately 5 fb−1 at s√=7 TeV and 20 fb−1 at s√=8 TeV. The Higgs boson production and decay rates measured by the two experiments are combined within the context of three generic parameterisations: two based on cross sections and branching fractions, and one on ratios of coupling modifiers. Several interpretations of the measurements with more model-dependent parameterisations are also given. The combined signal yield relative to the Standard Model prediction is measured to be 1.09 ± 0.11. The combined measurements lead to observed significances for the vector boson fusion production process and for the H → ττ decay of 5.4 and 5.5 standard deviations, respectively. The data are consistent with the Standard Model predictions for all parameterisations considered.We acknowledge the support of ANPCyT (Argentina); YerPhI (Armenia); ARC (Australia); BMWFW and FWF (Austria); ANAS (Azerbaijan); SSTC (Belarus); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); NSERC, NRC, and CFI (Canada); CERN; CONICYT (Chile); CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MSMT CR, MPO CR, and VSC CR (Czech Republic); DNRF and DNSRC (Denmark); MoER, ERC IUT, and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); GNSF (Georgia); BMBF, DFG, HGF, and MPG (Germany); GSRT (Greece); RGC (Hong Kong SAR, China); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); ISF, I-CORE, and Benoziyo Center (Israel); INFN (Italy); MEXT and JSPS (Japan); JINR; MSIP, and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); BUAP, CINVESTAV, CONACYT, LNS, SEP, and UASLP-FAI (Mexico); CNRST (Morocco); FOM and NWO (Netherlands); MBIE (New Zealand); RCN (Norway); PAEC (Pakistan); MNiSW, MSHE, NCN, and NSC (Poland); FCT (Portugal); MNE/IFA (Romania); MES of Russia, MON, NRC KI, RosAtom, RAS, and RFBR (Russian Federation); MESTD (Serbia); MSSR (Slovakia); ARRS and MIZS (Slovenia); DST/NRF (South Africa); MINECO, SEIDI, and CPAN (Spain); SRC and Wallenberg Foundation (Sweden); ETH Board, ETH Zurich, PSI, SERI, SNSF, UniZH, and Cantons of Bern, Geneva and Zurich (Switzerland); MOST (Taipei); ThEPCenter, IPST, STAR, and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (United States of America).In addition, individual groups and members have received support from BELSPO, FRIA, and IWT (Belgium); BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust (Canada); the Leventis Foundation (Cyprus); MEYS (Czech Republic); EPLANET, ERC, FP7, Horizon 2020, and Marie Sklodowska-Curie Actions (European Union); Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager

Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at √s = 7 and 8 TeV

measurements of the higgs boson production and decay rates and constraints on its couplings from a combined atlas and cms analysis of the lhc pp collision data at √s = 7 and 8 tev

atlas boson couplings bosons fermions presented. gluon fusion boson fusion boson quarks boson atlas experiments. cern proton proton collision atlas luminosities tev. boson generic parameterisations branching fractions modifiers. interpretations parameterisations given. significances boson fusion deviations respectively. parameterisations considered.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus fnrs belgium cnpq capes faperj fapesp brazil bulgaria nserc canada cern conicyt chile nsfc colciencias colombia mses croatia cyprus msmt czech republic dnrf dnsrc denmark moer erdf estonia academy finland finland cnrs gnsf georgia bmbf gsrt greece hong kong otka hungary india iran ireland benoziyo israel infn mext jsps jinr msip republic korea lithuania malaysia buap cinvestav conacyt uaslp mexico cnrst morocco netherlands mbie zealand norway paec pakistan mnisw mshe poland portugal romania russia rosatom rfbr russian federation mestd serbia mssr slovakia arrs mizs slovenia africa mineco seidi cpan spain wallenberg foundation sweden board zurich seri snsf unizh cantons bern geneva zurich switzerland taipei thepcenter ipst nstda thailand tubitak taek turkey nasu sffr ukraine stfc kingdom america belspo fria belgium bckdf canada council canarie canada fqrnt ontario innovation trust canada leventis foundation cyprus meys czech republic eplanet horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager

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143477458

10.1007/jhep08(2017)004

Building on recent advances in the understanding of gauge-Yukawa theories we explore possibilities to UV-complete the Standard Model in an asymptotically safe manner. Minimal extensions are based on a large avor sector of additional fermions coupled to a scalar singlet matrix field. We find that asymptotic safety requires fermions in higher representations of SU(3)C SU(2)L. Possible signatures at colliders are worked out and include R-hadron searches, diboson signatures and the evolution of the strong and weak coupling constants

Directions for model building from asymptotic safety

directions for model building from asymptotic safety

advances yukawa explore possibilities asymptotically safe manner. extensions avor fermions singlet field. asymptotic fermions representations signatures colliders worked hadron searches diboson signatures

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143977415

10.1007/jhep08(2017)006

A search for direct top squark pair production resulting in events with either a same-flavour opposite-sign dilepton pair with invariant mass compatible with a Z boson or a pair of jets compatible with a Standard Model (SM) Higgs boson (h) is presented. Requirements on the missing transverse momentum, together with additional selections on leptons, jets, jets identified as originating from b-quarks are imposed to target the other decay products of the top squark pair. The analysis is performed using proton-proton collision data at s√=13 TeV collected with the ATLAS detector at the LHC in 2015–2016, corresponding to an integrated luminosity of 36.1 fb−1. No excess is observed in the data with respect to the SM predictions. The results are interpreted in two sets of models. In the first set, direct production of pairs of lighter top squarks (t~1) with long decay chains involving Z or Higgs bosons is considered. The second set includes direct pair production of the heavier top squark pairs (t~2) decaying via t~2→Zt~1 or t~2→ht~1. The results exclude at 95% confidence level t~2 and t~1 masses up to about 800 GeV, extending the exclusion region of supersymmetric parameter space covered by previous LHC searches.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; SRNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, ERDF, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom.info:eu-repo/semantics/publishedVersio

Search for direct top squark pair production in events with a Higgs or Z boson, and missing transverse momentum in root s=13 TeV pp collisions with the ATLAS detector

search for direct top squark pair production in events with a higgs or z boson, and missing transverse momentum in root s=13 tev pp collisions with the atlas detector

squark flavour opposite dilepton compatible boson jets compatible boson presented. missing selections leptons jets jets originating quarks imposed squark pair. proton proton collision atlas luminosity excess predictions. interpreted models. lighter squarks chains involving bosons considered. heavier squark decaying exclude confidence extending exclusion supersymmetric covered searches.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu srnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet erdf horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway cerca programme generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom.info repo semantics publishedversio

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143977423

10.1007/jhep08(2017)052

The results of a search for vector-like top quarks using events with exactly one lepton, at least four jets, and large missing transverse momentum are reported. The search is optimised for pair production of vector-like top quarks in the Z(→νν) t + X decay channel. LHC pp collision data at a centre-of-mass energy of s√=13 TeV recorded by the ATLAS detector in 2015 and 2016 are used, corresponding to an integrated luminosity of 36.1 fb−1. No significant excess over the Standard Model expectation is seen and upper limits on the production cross-section of a vector-like T quark pair as a function of the T quark mass are derived. The observed (expected) 95% CL lower limits on the T mass are 870 GeV (890 GeV) for the weak-isospin singlet model, 1.05 TeV (1.06 TeV) for the weak-isospin doublet model and 1.16 TeV (1.17 TeV) for the pure Zt decay mode. Limits are also set on the mass as a function of the decay branching ratios, excluding large parts of the parameter space for masses below 1 TeV.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS, CEA-DSM/IRFU, France; SRNSF, Georgia; BMBF, HGF, and MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, I-CORE and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust, Canada; EPLANET, ERC, ERDF, FP7, Horizon 2020 and Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, ANR, Region Auvergne and Fondation Partager le Savoir, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes co-financed by EU-ESF and the Greek NSRF; BSF, GIF and Minerva, Israel; BRF, Norway; CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain; the Royal Society and Leverhulme Trust, United Kingdom.info:eu-repo/semantics/publishedVersio

Search for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in root S=13 TeV pp collisions with the ATLAS detector

search for pair production of vector-like top quarks in events with one lepton, jets, and missing transverse momentum in root s=13 tev pp collisions with the atlas detector

quarks lepton jets missing reported. optimised quarks channel. collision atlas luminosity excess expectation derived. isospin singlet isospin doublet mode. branching excluding tev.we acknowledge anpcyt argentina yerphi armenia australia bmwfw austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc denmark cnrs irfu srnsf georgia bmbf gsrt greece hong kong benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland portugal romania russia russian federation jinr mestd serbia mssr slovakia arrs mizs slovenia africa mineco spain wallenberg foundation sweden seri snsf cantons bern geneva switzerland taiwan taek turkey stfc kingdom america. bckdf canada council canarie canada fqrnt ontario innovation trust canada eplanet erdf horizon marie sklodowska curie union investissements avenir labex idex auvergne fondation partager savoir foundation herakleitos thales aristeia programmes financed greek nsrf minerva israel norway cerca programme generalitat catalunya generalitat valenciana spain royal leverhulme trust kingdom.info repo semantics publishedversio

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4434767

10.1007/jhep09(2011)013

We use double field theory to give a unified description of the low energy limits of type IIA and type IIB superstrings. The Ramond-Ramond potentials fit into spinor representations of the duality group O(D, D) and field-strengths are obtained by acting with the Dirac operator on the potentials. The action, supplemented by a Spin+ (D, D)-covariant self-duality condition on field strengths, reduces to the IIA and IIB theories in different frames. As usual, the NS-NS gravitational variables are described through the generalized metric. Our work suggests that the fundamental gravitational variable is a hermitian element of the group Spin(D, D) whose natural projection to O(D, D) gives the generalized metric.United States. Dept. of Energy (cooperative research agreement DE-FG02-05ER41360)

Double field theory of type II strings

double field theory of type ii strings

unified superstrings. ramond ramond potentials spinor representations duality strengths acting dirac potentials. supplemented covariant duality strengths reduces frames. usual gravitational metric. gravitational hermitian projection metric.united states. dept. cooperative

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30897474

10.1007/jhep09(2011)072

We present studies of W and Z bosons with associated high energy photons produced in pp collisions at s=7 TeV. The analysis uses 35 pb−1 of data collected by the ATLAS experiment in 2010. The event selection requires W and Z bosons decaying into high p T leptons (electrons or muons) and a photon with E T > 15 GeV separated from the lepton(s) by a distance ∆R(l, γ) > 0.7 in η-ϕ space. A total of 95 (97) pp → e ± νγ + X(pp → μ ± νγ + X) and 25 (23) pp → e + e − γ + X(pp → μ + μ − γ + X) event candidates are selected. The kinematic distributions of the leptons and photons and the production cross sections are measured. The data are found to agree with Standard Model predictions that include next-to-leading-order O(αα s ) contributions

Measurement of W and Z production in proton-proton collisions at p s = 7 TeV with the ATLAS detector

measurement of w and z production in proton-proton collisions at p s = 7 tev with the atlas detector

bosons photons collisions tev. atlas bosons decaying leptons muons separated lepton space. candidates selected. kinematic leptons photons measured. agree

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20024926

10.1007/jhep09(2012)139

A search for flavour changing neutral current (FCNC) processes in top-quark decays by the ATLAS Collaboration is presented. Data collected from pp collisions at the LHC at a centre-of-mass energy of √s = 7 TeV during 2011, corresponding to an integrated luminosity of 2.1 fb[superscript −1], were used. A search was performed for top-quark pair-production events, with one top quark decaying through the t → Zq FCNC (q = u, c) channel, and the other through the Standard Model dominant mode t → W b. Only the decays of the Z boson to charged leptons and leptonic W -boson decays were considered as signal. Consequently, the final-state topology is characterised by the presence of three isolated charged leptons, at least two jets and missing transverse momentum from the undetected neutrino. No evidence for an FCNC signal was found. An upper limit on the t → Zq branching ratio of BR(t → Zq) < 0.73% is set at the 95% confidence level.United States. Dept. of EnergyNational Science Foundation (U.S.)Brookhaven National Laborator

A search for flavour changing neutral currents in top-quark decays in pp collision data collected with the ATLAS detector at √s = 7 TeV

a search for flavour changing neutral currents in top-quark decays in pp collision data collected with the atlas detector at √s = 7 tev

flavour changing neutral fcnc decays atlas presented. collisions luminosity superscript used. decaying fcnc decays boson leptons leptonic boson decays signal. topology characterised leptons jets missing undetected neutrino. fcnc found. branching confidence level.united states. dept. energynational foundation u.s. brookhaven laborator

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55632534

10.1007/jhep09(2013)076

This paper presents the application of a variety of techniques to study jet substructure. The performance of various modified jet algorithms, or jet grooming techniques, for several jet types and event topologies is investigated for jets with transverse momentum larger than 300 GeV. Properties of jets subjected to the mass-drop filtering, trimming, and pruning algorithms are found to have a reduced sensitivity to multiple proton-proton interactions, are more stable at high luminosity and improve the physics potential of searches for heavy boosted objects. Studies of the expected discrimination power of jet mass and jet substructure observables in searches for new physics are also presented. Event samples enriched in boosted W and Z bosons and top-quark pairs are used to study both the individual jet invariant mass scales and the efficacy of algorithms to tag boosted hadronic objects. The analyses presented use the full 2011 ATLAS dataset, corresponding to an integrated luminosity of 4.7±0.1 fb−1 from proton-proton collisions produced by the Large Hadron Collider at a centre-of-mass energy of √ s = 7 TeV.We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWF and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; CONICYT, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF, DNSRC and Lundbeck Foundation, Denmark; EPLANET, ERC and NSRF, European Union; IN2P3-CNRS, CEA-DSM/IRFU, France; GNSF, Georgia; BMBF, DFG, HGF, MPG and AvH Foundation, Germany; GSRT and NSRF, Greece; ISF, MINERVA, GIF, DIP and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; FOM and NWO, Netherlands; BRF and RCN, Norway; MNiSW, Poland; GRICES and FCT, Portugal; MERYS (MECTS), Romania; MES of Russia and ROSATOM, Russian Federation; JINR; MSTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SER, SNSF and Cantons of Bern and Geneva, Switzerland; NSC, Taiwan; TAEK, Turkey; STFC, the Royal Society and Leverhulme Trust, United Kingdom; DOE and NSF, United States of America

Performance of jet substructure techniques for large-R jets in proton–proton collisions at √s = 7 TeV using the ATLAS detector

performance of jet substructure techniques for large-r jets in proton–proton collisions at √s = 7 tev using the atlas detector

presents substructure. grooming topologies jets gev. jets subjected drop filtering trimming pruning proton proton luminosity searches boosted objects. discrimination substructure observables searches presented. enriched boosted bosons efficacy boosted hadronic objects. atlas dataset luminosity proton proton collisions hadron collider tev.we acknowledge anpcyt argentina yerphi armenia australia bmwf austria anas azerbaijan sstc belarus cnpq fapesp brazil nserc canada cern conicyt chile nsfc colciencias colombia msmt czech republic dnrf dnsrc lundbeck foundation denmark eplanet nsrf union cnrs irfu gnsf georgia bmbf foundation gsrt nsrf greece minerva benoziyo israel infn mext jsps cnrst morocco netherlands norway mnisw poland grices portugal merys mects romania russia rosatom russian federation jinr mstd serbia mssr slovakia arrs mizs slovenia africa micinn spain wallenberg foundation sweden snsf cantons bern geneva switzerland taiwan taek turkey stfc royal leverhulme trust kingdom america

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78053917

10.1007/jhep09(2013)137

Infrared- and collinear-safe (IRC-safe) observables have finite cross sections to each fixed-order in perturbative QCD. Generically, ratios of IRC-safe observables are themselves not IRC safe and do not have a valid fixed-order expansion. Nevertheless, in this paper we present an explicit method to calculate the cross section for a ratio observable in perturbative QCD with the help of resummation. We take the IRC-safe jet angularities as an example and consider the ratio formed from two angularities with different angular exponents. While the ratio observable is not IRC safe, it is “Sudakov safe”, meaning that the perturbative Sudakov factor exponentially suppresses the singular region of phase space. At leading logarithmic (LL) order, the distribution is finite but has a peculiar expansion in the square root of the strong coupling constant, a consequence of IRC unsafety. The accuracy of the LL distribution can be further improved with higher-order resummation and fixed-order matching. Non-perturbative effects can sometimes give rise to order one changes in the distribution, but at sufficiently high energies Q, Sudakov safety leads to non-perturbative corrections that scale like a (fractional) power of 1/Q, as is familiar for IRC-safe observables. We demonstrate that Monte Carlo parton showers give reliable predictions for the ratio observable, and we discuss the prospects for computing other ratio observables using our method.United States. Dept. of Energy (Cooperative Research Agreement DE-FG02-05ER-41360)United States. Dept. of Energy (Early Career Research Program DE-FG02-11ER-41741

Unsafe but calculable: ratios of angularities in perturbative QCD

unsafe but calculable: ratios of angularities in perturbative qcd

infrared collinear safe safe observables perturbative qcd. generically safe observables safe valid expansion. nevertheless observable perturbative resummation. safe angularities angularities exponents. observable safe “sudakov safe” meaning perturbative sudakov exponentially suppresses singular space. logarithmic peculiar unsafety. resummation matching. perturbative sometimes sufficiently sudakov perturbative fractional familiar safe observables. monte carlo parton showers reliable observable prospects observables method.united states. dept. cooperative states. dept. career

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78056439

10.1007/jhep09(2014)030

The first observation of Z boson production in proton-lead collisions at a centre-of-mass energy per proton-nucleon pair of √sNN = 5 TeV is presented. The data sample corresponds to an integrated luminosity of 1.6 nb[superscript −1] collected with the LHCb detector. The Z candidates are reconstructed from pairs of oppositely charged muons with pseudorapidities between 2.0 and 4.5 and transverse momenta above 20 GeV/c. The invariant dimuon mass is restricted to the range 60 − 120 GeV/c. The Z production cross-section is measured to be σZ→μ+μ−(fwd)=13.5+5.4−4.0(stat.)±1.2(syst.)nb in the direction of the proton beam and σZ→μ+μ−(bwd)=10.7+8.4−5.1(stat.)±1.0(syst.)nb in the direction of the lead beam, where the first uncertainty is statistical and the second systematic

Observation of Z production in proton-lead collisions at LHCb

observation of z production in proton-lead collisions at lhcb

boson proton collisions proton nucleon √snn presented. luminosity superscript lhcb detector. candidates reconstructed oppositely muons pseudorapidities momenta dimuon restricted σz→μ stat. syst. proton σz→μ stat. syst.

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