Search for pair production of a new heavy quark that decays into a W boson and a light quark in pp collisions at √s = 8 TeV with the ATLAS detector

doi:10.1103/PhysRevD.92.112007

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ATLAS, детектор | W-бозоны | 2015 | Chelkov, G. A.

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Title: Search for pair production of a new heavy quark that decays into a W boson and a light quark in pp collisions at √s = 8 TeV with the ATLAS detector
Creator: Aad, G.
Creator: Abdallah, J.
Creator: Chelkov, G. A.
Creator: Vaniachine, A.
Creator: Abbott, B.
Subject: ATLAS, детектор
Большой адронный коллайдер
протон-протонные столкновения
W-бозоны
Date: 2015
DOI: 10.1103/PhysRevD.92.112007
Description: A search is presented for pair production of a new heavy quark (Q) that decays into a W boson and a light quark (q) in the final state where one W boson decays leptonically (to an electron or muon plus a neutrino) and the other W boson decays hadronically. The analysis is performed using an integrated luminosity of 20.3 fb−1 of pp collisions at √s = 8 TeV collected by the ATLAS detector at the LHC. No evidence of QQ¯ production is observed. New chiral quarks with masses below 690 GeV are excluded at 95% confidence level, assuming BR(Q→Wq) = 1. Results are also interpreted in the context of vectorlike quark models, resulting in the limits on the mass of a vectorlike quark in the two-dimensional plane of BR(Q→Wq) versus BR(Q→Hq) .

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collection(s): Радиофизический факультет
Научное управление
Identifier: vtls:000625391
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000625391
Type: статьи в журналах
Source: Physical Review D. 2015. Vol. 92, № 11. P. 112007-1-112007-28
Language: eng

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Радиофизический факультет

Научное управление Search for pair production of a new heavy quark that decays into a W boson and a light quark in pp collisions at √s = 8 TeV with the ATLAS detector