A search for high-mass resonances decaying to τ+τ in pp collisions at √s =8 TeV with the ATLAS detector

The ATLAS Collaboration

研究成果: Article

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Abstract: A search for high-mass resonances decaying into τ+τ final states using proton-proton collisions at s=8$$ \sqrt{s}=8 $$ TeV produced by the Large Hadron Collider is presented. The data were recorded with the ATLAS detector and correspond to an integrated luminosity of 19.5–20.3 fb−1. No statistically significant excess above the Standard Model expectation is observed; 95% credibility upper limits are set on the cross section times branching fraction of Z′ resonances decaying into τ+τ pairs as a function of the resonance mass. As a result, Z′ bosons of the Sequential Standard Model with masses less than 2.02 TeV are excluded at 95% credibility. The impact of the fermionic couplings on the Z′ acceptance is investigated and limits are also placed on a Z′ model that exhibits enhanced couplings to third-generation fermions.[Figure not available: see fulltext.]

元の言語English
記事番号157
ジャーナルJournal of High Energy Physics
2015
発行部数7
DOI
出版物ステータスPublished - 2015 7 6
外部発表Yes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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