Search for the lepton flavor violating τ → 3μ decay in proton-proton collisions at s=13TeV

dc.citation.articleNumber138633
dc.citation.journalTitlePhysics Letters B
dc.citation.volumeNumber853
dc.contributor.authorThe CMS Collaboration
dc.date.accessioned2024-07-25T20:55:14Z
dc.date.available2024-07-25T20:55:14Z
dc.date.issued2024
dc.description.abstractA search for the lepton flavor violating τ→3μ decay is performed using proton-proton collision events at a center-of-mass energy of 13 TeV collected by the CMS experiment at the LHC in 2017–2018, corresponding to an integrated luminosity of 97.7 fb−1. Tau leptons produced in both heavy-flavor hadron and W boson decays are exploited in the analysis. No evidence for the decay is observed. The results of this search are combined with an earlier null result based on data collected in 2016 to obtain a total integrated luminosity of 131 fb−1. The observed (expected) upper limits on the branching fraction B(τ→3μ) at confidence levels of 90 and 95% are 2.9×10−8 (2.4×10−8) and 3.6×10−8 (3.0×10−8), respectively.
dc.identifier.citationThe CMS Collaboration. (2024). Search for the lepton flavor violating τ → 3μ decay in proton-proton collisions at s=13 TeV. Physics Letters B, 853, 138633. https://doi.org/10.1016/j.physletb.2024.138633
dc.identifier.digital1-s20-S0370269324001916-main
dc.identifier.doihttps://doi.org/10.1016/j.physletb.2024.138633
dc.identifier.urihttps://hdl.handle.net/1911/117483
dc.language.isoeng
dc.publisherElsevier
dc.rightsExcept where otherwise noted, this work is licensed under a Creative Commons Attribution (CC BY) license.  Permission to reuse, publish, or reproduce the work beyond the terms of the license or beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.titleSearch for the lepton flavor violating τ → 3μ decay in proton-proton collisions at s=13TeV
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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