Chatrchyan, S; Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; ... Matos Figueiredo, D; + view all Chatrchyan, S; Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; Erö, J; Fabjan, C; Friedl, M; Frühwirth, R; Ghete, VM; Hammer, J; Hoch, M; Hörmann, N; Hrubec, J; Jeitler, M; Kiesenhofer, W; Krammer, M; Liko, D; Mikulec, I; Pernicka, M; Rahbaran, B; Rohringer, C; Rohringer, H; Schöfbeck, R; Strauss, J; Taurok, A; Teischinger, F; Wagner, P; Waltenberger, W; Walzel, G; Widl, E; Wulz, C-E; Mossolov, V; Shumeiko, N; Suarez Gonzalez, J; Bansal, S; Benucci, L; Cornelis, T; De Wolf, EA; Janssen, X; Luyckx, S; Maes, T; Mucibello, L; Ochesanu, S; Roland, B; Rougny, R; Selvaggi, M; Van Haevermaet, H; Van Mechelen, P; Van Remortel, N; Van Spilbeeck, A; Blekman, F; Blyweert, S; D'hondt, J; Gonzalez Suarez, R; Kalogeropoulos, A; Maes, M; Olbrechts, A; Van Doninck, W; Van Mulders, P; Van Onsem, GP; Villella, I; Charaf, O; Clerbaux, B; De Lentdecker, G; Dero, V; Gay, APR; Hammad, GH; Hreus, T; Léonard, A; Marage, PE; Thomas, L; Vander Velde, C; Vanlaer, P; Wickens, J; Adler, V; Beernaert, K; Cimmino, A; Costantini, S; Garcia, G; Grunewald, M; Klein, B; Lellouch, J; Marinov, A; Mccartin, J; Ocampo Rios, AA; Ryckbosch, D; Strobbe, N; Thyssen, F; Tytgat, M; Vanelderen, L; Verwilligen, P; Walsh, S; Yazgan, E; Zaganidis, N; Basegmez, S; Bruno, G; Ceard, L; De Favereau De Jeneret, J; Delaere, C; Du Pree, T; Favart, D; Forthomme, L; Giammanco, A; Grégoire, G; Hollar, J; Lemaitre, V; Liao, J; Militaru, O; Nuttens, C; Pagano, D; Pin, A; Piotrzkowski, K; Schul, N; Beliy, N; Caebergs, T; Daubie, E; Alves, GA; Correa Martins Junior, M; De Jesus Damiao, D; Martins, T; Pol, ME; Souza, MHG; Aldá Júnior, WL; Carvalho, W; Custódio, A; Da Costa, EM; De Oliveira Martins, C; Fonseca De Souza, S; Matos Figueiredo, D; - view fewer (2012) Search for the standard model Higgs boson in the decay channel H→ZZ→4l in pp collisions at √s=7TeV. Physical Review Letters , 108 (11) , Article 111804. 10.1103/PhysRevLett.108.111804.

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Abstract

A search for a Higgs boson in the four-lepton decay channel H→ZZ, with each Z boson decaying to an electron or muon pair, is reported. The search covers Higgs boson mass hypotheses in the range of 110<m < 600GeV. The analysis uses data corresponding to an integrated luminosity of 4.7fb 1 recorded by the CMS detector in pp collisions at √s=7TeV from the LHC. Seventy-two events are observed with four-lepton invariant mass m >100GeV (with 13 below 160GeV), while 67.1±6.0 (9.5±1.3) events are expected from background. The four-lepton mass distribution is consistent with the expectation of standard model background production of ZZ pairs. Upper limits at 95% confidence level exclude the standard model Higgs boson in the ranges of 134-158GeV, 180-305GeV, and 340-465GeV. Small excesses of events are observed around masses of 119, 126, and 320GeV, making the observed limits weaker than expected in the absence of a signal. © 2012 CERN.

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