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  • Search for vector-like T an...
    Sirunyan, Albert M; De Clercq, Jarne; Fasanella, Giuseppe; Tytgat, Michael; Zaganidis, Nicolas; Bondu, Olivier; Wertz, Sébastien; Brito, Lucas; Pol, Maria Elena; Pavlov, Borislav; Liao, Hongbo; Tuuva, Tuure; Gras, Philippe; Locci, Elizabeth; Stahl Leiton, Andre Govinda; Boudoul, Gaelle; Lethuillier, Morgan; Schomakers, Christian; Endres, Matthias; Merschmeyer, Markus; Bertsche, David; Saxena, Pooja; Bein, Samuel; Kovalchuk, Nataliia; Scharf, Christian; Stadie, Hartmut; De Boer, Wim; Schröder, Matthias; Shvetsov, Ivan; Mallios, Stavros; Vesztergombi, Gyorgy; Mandal, Koushik; Purohit, Arnab; Sharma, Seema; Calabria, Cesare; Fiore, Luigi; Venditti, Rosamaria; Braibant-Giacomelli, Sylvie; Campanini, Renato; Ciulli, Vitaliano; Strom, Derek; Gasparini, Fabrizio; Torassa, Ezio; Ventura, Sandro; Mariani, Valentina; Cipriani, Marco; Arcidiacono, Roberta; Pastrone, Nadia; Yang, Unki; Wan Abdullah, Wan Ahmad Tajuddin; Pedraza, Isabel; Bargassa, Pedrame; Alexakhin, Vadim; Mandrik, Petr; Cerrada, Marcos; Fouz, Maria Cruz; Barney, David; Stakia, Anna; Grab, Christoph; Musella, Pasquale; Perrozzi, Luca; Pinna, Deborah; Srimanobhas, Norraphat; Gurpinar, Emine; Tok, Ufuk Guney; Davignon, Olivier; Penning, Bjoern; Thea, Alessandro; Williams, Thomas; Buccilli, Andrew; Rohlf, James; Mao, Zaixing; Mulhearn, Michael; Yagil, Avraham; Qu, Huilin; Ferguson, Thomas; Krohn, Michael; Tao, Zhengcheng; Thom, Julia; Grünendahl, Stefan; Harris, Robert M; Lincoln, Don; Mrenna, Stephen; Schneider, Basil; Vaandering, Eric Wayne; Wang, Michael; Avery, Paul; Mestvirishvili, Alexi; Bowen, James; Abercrombie, Daniel; Kubota, Yuichi; Lesko, Zachary; Mans, Jeremy; Monroy, Jose; Kellams, Nathan; Barker, Anthony; Michlin, Benjamin; Delannoy, Andrés G; Tatarinov, Aysen; Tuo, Shengquan

    2018
    Report

    A search is presented for pair production of heavy vector-like T and B quarks in proton-proton collisions at $ \sqrt{s}=13 $ TeV. The data sample corresponds to an integrated luminosity of 35.9 fb$^{−1}$, collected with the CMS detector at the CERN LHC in 2016. Pair production of T quarks would result in a wide range of final states, since vector-like T quarks of charge 2e/3 are predicted to decay to bW, tZ, and tH. Likewise, vector-like B quarks are predicted to decay to tW, bZ, and bH. Three channels are considered, corresponding to final states with a single lepton, two leptons with the same sign of the electric charge, or at least three leptons. The results exclude T quarks with masses below 1140–1300 GeV and B quarks with masses below 910–1240 GeV for various branching fraction combinations, extending the reach of previous CMS searches by 200–600 GeV.