作者
Albert M Sirunyan, Armen Tumasyan, Wolfgang Adam, Federico Ambrogi, Ece Asilar, Thomas Bergauer, Johannes Brandstetter, Marko Dragicevic, Janos Erö, Alberto Escalante Del Valle, Martin Flechl, Rudolf Fruehwirth, Vasile Mihai Ghete, Josef Hrubec, Manfred Jeitler, Natascha Krammer, Ilse Krätschmer, Dietrich Liko, Thomas Madlener, Ivan Mikulec, Navid Rad, Herbert Rohringer, Jochen Schieck, Robert Schöfbeck, Markus Spanring, Daniel Spitzbart, Anton Taurok, Wolfgang Waltenberger, Johannes Wittmann, C-E Wulz, Mateusz Zarucki, Vladimir Chekhovsky, Vladimir Mossolov, Juan Suarez Gonzalez, Eddi A De Wolf, Davide Di Croce, Xavier Janssen, Jasper Lauwers, Maxim Pieters, Merijn Van De Klundert, Hans Van Haevermaet, Pierre Van Mechelen, Nick Van Remortel, Shimaa Abu Zeid, Freya Blekman, Jorgen D’Hondt, Isabelle De Bruyn, Jarne De Clercq, Kevin Deroover, Giannis Flouris, Denys Lontkovskyi, Steven Lowette, Ivan Marchesini, Seth Moortgat, Lieselotte Moreels, Quentin Python, Kirill Skovpen, Stefaan Tavernier, Walter Van Doninck, Petra Van Mulders, Isis Van Parijs, Diego Beghin, Bugra Bilin, Hugues Brun, Barbara Clerbaux, Gilles De Lentdecker, Hugo Delannoy, Brian Dorney, Giuseppe Fasanella, Laurent Favart, Reza Goldouzian, Anastasia Grebenyuk, Amandeep Kaur Kalsi, Thomas Lenzi, Jelena Luetic, Nicolas Postiau, Elizabeth Starling, Laurent Thomas, C Vander Velde, P Vanlaer, D Vannerom, Q Wang, Tom Cornelis, Didar Dobur, Alexis Fagot, Muhammad Gul, Illia Khvastunov, D Poyraz, Christos Roskas, D Trocino, Michael Tytgat, Willem Verbeke, B Vermassen, M Vit, Nikolaos Zaganidis, H Bakhshiansohi, O Bondu, S Brochet, G Bruno, C Caputo, P David, C Delaere, M Delcourt, B Francois, A Giammanco, G Krintiras, V Lemaitre, A Magitteri, A Mertens, M Musich, K Piotrzkowski, A Saggio, M Vidal Marono, S Wertz, J Zobec, FL Alves, GA Alves, L Brito, M Correa Martins Junior, G Correia Silva, C Hensel, A Moraes, ME Pol, P Rebello Teles, E Belchior Batista Das Chagas, W Carvalho, J Chinellato, E Coelho, EM Da Costa, GG Da Silveira, D De Jesus Damiao, C De Oliveira Martins, S Fonseca De Souza, H Malbouisson, D Matos Figueiredo, M Melo De Almeida, C Mora Herrera, L Mundim, H Nogima, WL Prado Da Silva, LJ Sanchez Rosas, A Santoro, A Sznajder, M Thiel, EJ Tonelli Manganote, F Torres Da Silva De Araujo, A Vilela Pereira, S Ahuja, CA Bernardes, L Calligaris
发表日期
2018/6/8
期刊
Physical review letters
卷号
120
期号
23
页码范围
231801
出版商
American Physical Society
简介
The observation of Higgs boson production in association with a top quark-antiquark pair is reported, based on a combined analysis of proton-proton collision data at center-of-mass energies of , 8, and 13 TeV, corresponding to integrated luminosities of up to 5.1, 19.7, and , respectively. The data were collected with the CMS detector at the CERN LHC. The results of statistically independent searches for Higgs bosons produced in conjunction with a top quark-antiquark pair and decaying to pairs of bosons, bosons, photons, leptons, or bottom quark jets are combined to maximize sensitivity. An excess of events is observed, with a significance of 5.2 standard deviations, over the expectation from the background-only hypothesis. The corresponding expected significance from the standard model for a Higgs boson mass of 125.09 GeV is 4.2 standard deviations. The combined best fit signal strength …
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