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Search for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detector

Aad, G; Abbott, B.; Abdallah, J; Abdinov, O; Abeloos, B; Aben, R; Åkesson, Torsten LU ; Bocchetta, Simona LU ; BRYNGEMARK, LENE LU and Doglioni, Caterina LU , et al. (2017) In European Physical Journal C 77(2).
Abstract
Direct searches for lepton flavour violation in decays of the Higgs and Z bosons with the ATLAS detector at the LHC are presented. The following three decays are considered: H→ eτ, H→ μτ, and Z→ μτ. The searches are based on the data sample of proton–proton collisions collected by the ATLAS detector corresponding to an integrated luminosity of 20.3 fb - 1 at a centre-of-mass energy of s=8 TeV. No significant excess is observed, and upper limits on the lepton-flavour-violating branching ratios are set at the 95% confidence level: Br(H→ eτ) < 1.04 % , Br(H→ μτ) < 1.43 % , and Br(Z→ μτ) < 1.69 × 10 - 5. © 2017, CERN for the benefit of the ATLAS collaboration.
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Contribution to journal
publication status
published
subject
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European Physical Journal C
volume
77
issue
2
publisher
Springer
external identifiers
  • scopus:85011968876
ISSN
1434-6044
DOI
10.1140/epjc/s10052-017-4624-0
language
English
LU publication?
yes
id
760a4776-d806-4d1e-bae0-b9618cbba983
date added to LUP
2017-06-14 11:10:18
date last changed
2018-04-08 04:57:44
@article{760a4776-d806-4d1e-bae0-b9618cbba983,
  abstract     = {Direct searches for lepton flavour violation in decays of the Higgs and Z bosons with the ATLAS detector at the LHC are presented. The following three decays are considered: H→ eτ, H→ μτ, and Z→ μτ. The searches are based on the data sample of proton–proton collisions collected by the ATLAS detector corresponding to an integrated luminosity of 20.3 fb - 1 at a centre-of-mass energy of s=8 TeV. No significant excess is observed, and upper limits on the lepton-flavour-violating branching ratios are set at the 95% confidence level: Br(H→ eτ) &lt; 1.04 % , Br(H→ μτ) &lt; 1.43 % , and Br(Z→ μτ) &lt; 1.69 × 10 - 5. © 2017, CERN for the benefit of the ATLAS collaboration.},
  author       = {Aad, G and Abbott, B. and Abdallah, J and Abdinov, O and Abeloos, B and Aben, R and Åkesson, Torsten and Bocchetta, Simona and BRYNGEMARK, LENE and Doglioni, Caterina and Floderus, Anders and Hawkins, Anthony and Hedberg, Vincent and Jarlskog, Göran and Lytken, Else and Mjörnmark, Ulf and Smirnova, Oxana and Viazlo, Oleksandr and , },
  issn         = {1434-6044},
  language     = {eng},
  number       = {2},
  publisher    = {Springer},
  series       = {European Physical Journal C},
  title        = {Search for lepton-flavour-violating decays of the Higgs and Z bosons with the ATLAS detector},
  url          = {http://dx.doi.org/10.1140/epjc/s10052-017-4624-0},
  volume       = {77},
  year         = {2017},
}