Combined results of searches for the standard model Higgs boson in pp collisions at s=7 TeV

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Mar 2012Embargo end date: 01 Jan 2012 United Kingdom, Belgium, United Kingdom, United Kingdom, Belgium, Germany, Italy, Italy, Italy, Italy, Italy, Italy, United States, Italy, United Kingdom, Italy, Italy, Greece, Turkey, Spain, Belgium, Spain, Italy, Portugal, France, Italy, United States, France, Italy, Belgium, Spain, Italy, Italy, Italy, United Kingdom, France, Italy, Germany, Italy, France, Italy, Italy, Brazil, France, Italy, Italy English Publisher:Elsevier BVJournal:Physics Letters B, volume 710, pages 26-48 (issn: 0370-2693,

Copyright policy )Funded by:GSRI | unidentified, EC | TERAUNIVERSE, SNSF | High pT Physics with CMS ... +1 projects

Authors: Chatrchyan, S; Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; +193 Authors

Chatrchyan, S; Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; Ero, J; Fabjan, C; Friedl, M; Fruhwirth, R; Meschini, M; Polic, D; Gupta, R; Rompotis, N; Korablev, A; Racz, A; Stadie, H; Juillot, P; Gomber, B; Vila, I; Silverwood, H; Murray, M; Rakness, G; Duric, S; Kleinwort, C; Mohr, N; Palmer, C; Silva, P; Goldenzweig, P; Nash, J; Iorio, AOM; Ceard, L; Perera, L; Martschei, D; Gaddi, A; Snow, GR; Sánchez-Hernández, A; Sanabria, JC; Reithler, H; De, C; Mason, D; Maguire, C; Suarez, J; De, EA; Carlin, R; Bylsma, B; Tsang, KV; Antonelli, L; Sander, C; Khalid, S; Bobrovskyi, S; Sudhakar, K; Troitsky, S; Jindal, M; Stone, R; Joshi, U; Walzel, G; Adair, A; Sharma, V; Pakhotin, Y; Hoorani, HR; Damgov, J; Simon, M; Checchia, P; Ronga, FJ; Kim, DH; Klapoetke, K; Schum, T; Singh, AP; Golutvin, I; Maggi, G; Boutle, S; Sen, N; Petrushanko, S; Pagano, D; Lyons, L; Qian, SJ; Tonjes, MB; Son, DC; Liao, J; Ferguson, W; Wan, Z; Kumar, A; Sphicas, P; Mavrommatis, C; Hoch, M; Jenkins, M; Alcaraz, J; Razis, PA; Weinberg, M; Pozzobon, N; Ma, T; Pozdnyakov, A; Müller, T; Romanowska-Rybinska, K; Dolen, J; Duru, F; Salvati, E; Smith, VJ; Mott, A; De, N; Redaelli, N; Popov, V; Choi, Y; Korytov, A; Dobson, M; Yoon, AS; Grogg, KS; Jiang, CH; Tosi, M; Lanev, A; De, A; Kumar, A; Busza, W; Spiga, D; Mohapatra, A; Pollack, B; Low, JF; Cornelis, T; Spiropulu, M; Wolf, R; Stoynev, S; Volkov, A; Markou, C; Van, P; Cuevas, J; Heredia-de La Cruz, I; Moeller, A; Melo, A; Boulahouache, C; Thomas, S; Venturi, A; Herve, A; Pellett, D; Stoye, M; Butler, PH; Musienko, Y; Chuang, SH; Tsirou, A; Jensen, H; Snowball, M; Liu, H; Luyckx, S; Li, W; Gallo, E; Danielson, T; Olaiya, E; Kubik, A; De, G; Wendland, L; Mankel, R; Blumenfeld, B; Jeng, GY; Palmonari, F; Marco, R; Sola, V; Kim, JY; Cihangir, S; De, E; Stoykova, S; Tu, Y; Jessop, C; Grab, C; Colino, N; Holzner, A; Perfilov, M; Kao, SC; Tomalin, IR; Choudhury, RK; Panagiotou, A; Yi, K; Souza, MHG; Giurgiu, G; Ivova, M; Speer, T; Sogut, K; Shreyber, I; Shrestha, S; Bonacorsi, D; Villasenor-Cendejas, LM; Maeshima, K; Kumar, V; Teng, H; Solano, A; Friis, E; Mnich, J; Sparrow, A; Kennedy, BW; Zhang, Z; Weng, J; Gomez-Reino, R; Dissertori, G; Krokhotin, A; Hebbeker, T; Bedjidian, M; Parida, B; Veverka, J; Kirn, M; Bialas, W;

doi: 10.1016/j.physletb.2012.02.064 , 10.48550/arxiv.1202.1488

arXiv: 1202.1488

Combined results of searches for the standard model Higgs boson in pp collisions at s=7 TeV

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Abstract

Combined results are reported from searches for the standard model Higgs boson in proton-proton collisions at sqrt(s)=7 TeV in five Higgs boson decay modes: gamma pair, b-quark pair, tau lepton pair, W pair, and Z pair. The explored Higgs boson mass range is 110-600 GeV. The analysed data correspond to an integrated luminosity of 4.6-4.8 inverse femtobarns. The expected excluded mass range in the absence of the standard model Higgs boson is 118-543 GeV at 95% CL. The observed results exclude the standard model Higgs boson in the mass range 127-600 GeV at 95% CL, and in the mass range 129-525 GeV at 99% CL. An excess of events above the expected standard model background is observed at the low end of the explored mass range making the observed limits weaker than expected in the absence of a signal. The largest excess, with a local significance of 3.1 sigma, is observed for a Higgs boson mass hypothesis of 124 GeV. The global significance of observing an excess with a local significance greater than 3.1 sigma anywhere in the search range 110-600 (110-145) GeV is estimated to be 1.5 sigma (2.1 sigma). More data are required to ascertain the origin of this excess.

Submitted to Physics Letters B

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United Kingdom, Belgium, United Kingdom, United Kingdom, Belgium, Germany, Italy, Italy, Italy, Italy, Italy, Italy, United States, Italy, United Kingdom, Italy, Italy, Greece, Turkey, Spain, Belgium, Spain, Italy, Portugal, France, Italy, United States, France, Italy, Belgium, Spain, Italy, Italy, Italy, United Kingdom, France, Italy, Germany, Italy, France, Italy, Italy, Brazil, France, Italy, Italy

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Northwestern University
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Keywords

550, Higgs particle to 2Z0, Higgs particle to bottom anti-bottom, CMS; HIGGS BOSON; LHC, Higgs particle: ma, Higgs particle: search for, PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Higgs particle to W+ W-, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Physic, HADRON COLLIDERS, info:eu-repo/classification/ddc/530, CMS, Physics, ddc:530, Statistics, CMS; Higgs; Physics; Statistics; Nuclear and High Energy Physics, MASSLESS, Higgs particle: decay mode, CERN LHC Coll, statistics, 7000 GeV-cms, PARTICLE PHYSICS, LHC, HADRON COLLIDERS; QCD CORRECTIONS; ELECTROWEAK CORRECTIONS; MASSLESS PARTICLES; BROKEN SYMMETRIES; NNLO QCD; LHC; DECAYS, physics, Higg, p p: scattering, CMS; Higgs; Physics; Statistics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], cms, Physique, chimie, mathématiques & sciences de la terre, FOS: Physical sciences, 530, DECAYS, NNLO QCD, CMS, Higgs, Physics, Statistics, Physical, chemical, mathematical & earth Sciences, BROKEN SYMMETRIES, PARTICLES, cross section: upper limit, Higgs particle to tau+ tau-, CMS; Higgs; Physics; Statistics;, Statistic, experimental result, Physique, higgs; physics; cms; statistics, high energy collider; LHC; CMS; Higgs, Física, LARGE HADRON COLLIDER, ELECTROWEAK CORRECTIONS, QCD CORRECTIONS, Higgs particle to 2photon, Higgs

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