(CMS Collaboration) Sirunyan, Albert; Đurić, Senka; Lelas, Damir; Godinović, Nikola; Puljak, Ivica; Šćulac, Toni; Mesić, Benjamin; Šuša, Tatjana; Kovač, Marko; Ferenček, Dinko; Antunović, Željko; Starodumov, Andrey; Brigljević, Vuko; Luetić, Jelena; Kadija, Krešo; Woods, Nate (2018) Search for vector-like T and B quark pairs in final states with leptons at s√=13 TeV. Journal of High Energy Physics, 08 . ISSN 1126-6708
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Abstract
A search is presented for pair production of heavy vector-like T and B quarks in proton-proton collisions at 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.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | High energy physics ; Experimental particle physics ; LHC ; CMS ; Standard Model |
| Subjects: | NATURAL SCIENCES > Physics |
| Divisions: | Division of Experimental Physics |
| Depositing User: | Vuko Brigljević |
| Date Deposited: | 23 Aug 2019 10:38 |
| URI: | http://fulir.irb.hr/id/eprint/4954 |
| DOI: | 10.1007/JHEP08(2018)177 |
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