Searches for lepton-flavour-violating decays of the Higgs boson in s=13 TeV pp collisions with the ATLAS detector

The ATLAS collaboration

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This Letter presents direct searches for lepton flavour violation in Higgs boson decays, H→eτ and H→μτ, performed with the ATLAS detector at the LHC. The searches are based on a data sample of proton–proton collisions at a centre-of-mass energy s=13 TeV, corresponding to an integrated luminosity of 36.1 fb−1. No significant excess is observed above the expected background from Standard Model processes. The observed (median expected) 95% confidence-level upper limits on the lepton-flavour-violating branching ratios are 0.47% (0.34−0.10 +0.13%) and 0.28% (0.37−0.10 +0.14%) for H→eτ and H→μτ, respectively.

元の言語英語
記事番号135069
ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
800
DOI
出版物ステータス出版済み - 1 10 2020

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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