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Search for associated production of a Higgs boson and a single top quark in proton-proton collisions at √s=13 TeV (CROSBI ID 266930)

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(CMS Collaboration) Sirunyan, Albert ; ... ; Đurić, Senka ; Lelas, Damir ; Godinović, Nikola ; Puljak, Ivica ; Šćulac, Toni ; Mesić, Benjamin ; Šuša, Tatjana ; Kovač, Marko et al. Search for associated production of a Higgs boson and a single top quark in proton-proton collisions at √s=13 TeV // Physical review. D, 99 (2019), 9; 092005, 29. doi: 10.1103/PhysRevD.99.092005

Podaci o odgovornosti

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

CMS Collaboration

engleski

Search for associated production of a Higgs boson and a single top quark in proton-proton collisions at √s=13 TeV

A search is presented for the production of a Higgs boson in association with a single top quark, based on data collected in 2016 by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV, which corresponds to an integrated luminosity of 35.9 fb−1. The production cross section for this process is highly sensitive to the absolute values of the top quark Yukawa coupling, yt ; the Higgs boson coupling to vector bosons, gHVV ; and, uniquely, their relative sign. Analyses using multilepton signatures, targeting H→WW, H→ττ, and H→ZZ decay modes, and signatures with a single lepton and a b¯b pair, targeting the H→b¯b decay, are combined with a reinterpretation of a measurement in the H→γγ channel to constrain yt. For a standard model–like value of gHVV, the data favor positive values of yt and exclude values of yt below about −0.9ytSM.

High energy physics, Experimental particle physics, LHC, CMS, Standard Model

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Podaci o izdanju

99 (9)

2019.

092005

29

objavljeno

2470-0010

2470-0029

10.1103/PhysRevD.99.092005

Povezanost rada

Fizika

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