Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/115232
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Type: Journal article
Title: Probing lepton flavour violation via neutrinoless τ → 3μ decays with the ATLAS detector
Other Titles: Probing lepton flavour violation via neutrinoless tau -> 3mu decays with the ATLAS detector
Author: Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Abolins, M.
AbouZeid, O.S.
Abramowicz, H.
Abreu, H.
Abreu, R.
Abulaiti, Y.
Acharya, B.S.
Adamczyk, L.
Adams, D.L.
Adelman, J.
Adomeit, S.
Adye, T.
Affolder, A.A.
Agatonovic-Jovin, T.
Agricola, J.
et al.
Citation: European Physical Journal C: Particles and Fields, 2016; 76(5):232-1-232-25
Publisher: Springer
Issue Date: 2016
ISSN: 1434-6044
1434-6052
Statement of
Responsibility: 
G. Aad ... P. Jackson ... L. Lee ... A. Petridis ... N. Soni ... M.J. White ... [et al.] (The ATLAS collaboration)
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.
Keywords: Atlas Collaboration
Rights: © CERN for the benefit of the ATLAS collaboration 2016. This article is published with open access at Springerlink.com. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecomm ons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Funded by SCOAP3.
DOI: 10.1140/epjc/s10052-016-4041-9
Grant ID: ARC
Published version: http://dx.doi.org/10.1140/epjc/s10052-016-4041-9
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