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

UNSPECIFIED (2016) Probing lepton flavour violation via neutrinoless τ⟶3μ decays with the ATLAS detector. European Physical Journal C: Particles and Fields, 76 (5): 232. ISSN 1434-6044

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Abstract

This article presents the sensitivity of the ATLAS 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.

Item Type:
Journal Article
Journal or Publication Title:
European Physical Journal C: Particles and Fields
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
?? physics and astronomy (miscellaneous)engineering (miscellaneous) ??
ID Code:
84076
Deposited By:
Deposited On:
18 Jan 2017 12:10
Refereed?:
Yes
Published?:
Published
Last Modified:
14 Feb 2024 01:01