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

(ATLAS Collaboration)

研究成果: Article

43 引用 (Scopus)

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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).

元の言語English
記事番号112007
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
92
発行部数11
DOI
出版物ステータスPublished - 2015 12 22
外部発表Yes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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