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

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 [superscript −1] of pp collision data at a centre-of-mass energy o...

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Main Author: Taylor, Frank E
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: Springer-Verlag 2017
Online Access:http://hdl.handle.net/1721.1/108445
https://orcid.org/0000-0002-7586-7253
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author Taylor, Frank E
author2 Massachusetts Institute of Technology. Department of Physics
author_facet Massachusetts Institute of Technology. Department of Physics
Taylor, Frank E
author_sort Taylor, Frank E
collection MIT
description 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 [superscript −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 ττ lepton branching fraction into three muons, Br(τ→3μ), is 3.76×10[superscript −7] ( 3.94×10[superscript −7]) at 90 % confidence level.
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spelling mit-1721.1/1084452024-06-26T20:41:01Z Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector Taylor, Frank E Massachusetts Institute of Technology. Department of Physics Taylor, Frank E 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 [superscript −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 ττ lepton branching fraction into three muons, Br(τ→3μ), is 3.76×10[superscript −7] ( 3.94×10[superscript −7]) at 90 % confidence level. United States. Department of Energy National Science Foundation (U.S.) Brookhaven National Laboratory 2017-04-27T14:15:29Z 2017-04-27T14:15:29Z 2016-04 2016-01 Article http://purl.org/eprint/type/JournalArticle 1434-6044 1434-6052 http://hdl.handle.net/1721.1/108445 Atlas Collaboration et al. “Probing Lepton Flavour Violation via Neutrinoless τ ⟶ 3 μ Decays with the ATLAS Detector.” The European Physical Journal C 76.5 (2016): n. pag. © 2016 CERN for the benefit of the ATLAS collaboration https://orcid.org/0000-0002-7586-7253 en_US http://dx.doi.org/10.1140/epjc/s10052-016-4041-9 European Physical Journal C Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0/ application/pdf Springer-Verlag Springer
spellingShingle Taylor, Frank E
Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector
title Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector
title_full Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector
title_fullStr Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector
title_full_unstemmed Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector
title_short Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector
title_sort probing lepton flavour violation via neutrinoless τ 3μ decays with the atlas detector
url http://hdl.handle.net/1721.1/108445
https://orcid.org/0000-0002-7586-7253
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