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Search for lepton-flavor-violating decays of the Z boson into a τ lepton and a light lepton with the ATLAS detector

, ; Aaboud, M; Åkesson, Torsten LU ; Bocchetta, Simona LU ; Corrigan, Eric LU ; Doglioni, Caterina LU ; Brottmann Hansen, Eva LU ; Hedberg, Vincent LU ; Jarlskog, Göran LU and Kalderon, Charles LU , et al. (2018) In Physical Review D 98(9).
Abstract
Direct searches for lepton flavor violation in decays of the Z boson with the ATLAS detector at the LHC are presented. Decays of the Z boson into an electron or muon and a hadronically decaying τ lepton are considered. The searches are based on a data sample of proton-proton collisions collected by the ATLAS detector in 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb-1 at a center-of-mass energy of s=13 TeV. No statistically significant excess of events above the expected background is observed, and upper limits on the branching ratios of lepton-flavor-violating decays are set at the 95% confidence level: B(Z→eτ)
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Contribution to journal
publication status
published
subject
in
Physical Review D
volume
98
issue
9
publisher
American Physical Society
external identifiers
  • scopus:85058124144
ISSN
1550-2368
DOI
10.1103/PhysRevD.98.092010
language
English
LU publication?
yes
id
db9826b2-d99b-431a-9b39-6825a5841176
date added to LUP
2018-12-20 12:41:57
date last changed
2019-02-20 11:40:29
@article{db9826b2-d99b-431a-9b39-6825a5841176,
  abstract     = {Direct searches for lepton flavor violation in decays of the Z boson with the ATLAS detector at the LHC are presented. Decays of the Z boson into an electron or muon and a hadronically decaying τ lepton are considered. The searches are based on a data sample of proton-proton collisions collected by the ATLAS detector in 2015 and 2016, corresponding to an integrated luminosity of 36.1 fb-1 at a center-of-mass energy of s=13 TeV. No statistically significant excess of events above the expected background is observed, and upper limits on the branching ratios of lepton-flavor-violating decays are set at the 95% confidence level: B(Z→eτ)},
  articleno    = {092010},
  author       = {,  and Aaboud, M and Åkesson, Torsten and Bocchetta, Simona and Corrigan, Eric and Doglioni, Caterina and Brottmann Hansen, Eva and Hedberg, Vincent and Jarlskog, Göran and Kalderon, Charles and Kellermann, Edgar and Konya, Balazs and Lytken, Else and Mankinen, Katja and Mjörnmark, Ulf and Pöttgen, Ruth and Poulsen, Trine and Smirnova, Oxana and Viazlo, Oleksandr and Zwalinski, L},
  issn         = {1550-2368},
  language     = {eng},
  number       = {9},
  publisher    = {American Physical Society},
  series       = {Physical Review D},
  title        = {Search for lepton-flavor-violating decays of the Z boson into a τ lepton and a light lepton with the ATLAS detector},
  url          = {http://dx.doi.org/10.1103/PhysRevD.98.092010},
  volume       = {98},
  year         = {2018},
}