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Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector

Aad, G ; Abbott, B. ; Abdallah, J ; Abdinov, O ; Aben, R ; Åkesson, Torsten LU orcid ; Bocchetta, Simona LU ; BRYNGEMARK, LENE LU ; Doglioni, Caterina LU and Floderus, Anders LU , et al. (2016) In European Physical Journal C 76(5).
Abstract
This article presents the sensitivity of theATLAS experiment to the lepton-flavour-violating decays of τ → 3μ. A method utilising the production of τ leptons via W → τν decays is used. This method is applied to the sample of 20.3 fb−1 of pp collision data at a centre-of-mass energy of 8 TeV collected by the ATLAS experiment at the LHC in 2012. No event is observed passing the selection criteria,and the observed (expected) upper limit on the τ lepton branching fraction into three muons,Br(τ → 3μ),is 3.76 × 10−7 (3.94 × 10−7) at 90 % confidence level. © CERN for the benefit of the ATLAS collaboration 2016.
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author collaboration
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Physical Journal C
volume
76
issue
5
article number
232
publisher
Springer
external identifiers
  • scopus:84996598278
  • pmid:28280425
ISSN
1434-6044
DOI
10.1140/epjc/s10052-016-4041-9
language
English
LU publication?
yes
additional info
Cited By :1 Export Date: 16 June 2017
id
b1263f89-4b2a-4af8-bf06-5ab1aba6eb4b
date added to LUP
2017-06-16 12:17:07
date last changed
2023-04-07 17:43:35
@article{b1263f89-4b2a-4af8-bf06-5ab1aba6eb4b,
  abstract     = {{This article presents the sensitivity of theATLAS experiment to the lepton-flavour-violating decays of τ → 3μ. A method utilising the production of τ leptons via W → τν decays is used. This method is applied to the sample of 20.3 fb−1 of pp collision data at a centre-of-mass energy of 8 TeV collected by the ATLAS experiment at the LHC in 2012. No event is observed passing the selection criteria,and the observed (expected) upper limit on the τ lepton branching fraction into three muons,Br(τ → 3μ),is 3.76 × 10−7 (3.94 × 10−7) at 90 % confidence level. © CERN for the benefit of the ATLAS collaboration 2016.}},
  author       = {{Aad, G and Abbott, B. and Abdallah, J and Abdinov, O 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 Ivarsson, Jenny and Jarlskog, Göran and Lytken, Else and Mjörnmark, Ulf and Smirnova, Oxana and Viazlo, Oleksandr}},
  issn         = {{1434-6044}},
  language     = {{eng}},
  number       = {{5}},
  publisher    = {{Springer}},
  series       = {{European Physical Journal C}},
  title        = {{Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector}},
  url          = {{http://dx.doi.org/10.1140/epjc/s10052-016-4041-9}},
  doi          = {{10.1140/epjc/s10052-016-4041-9}},
  volume       = {{76}},
  year         = {{2016}},
}