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Title: Search for the lepton flavor violating decay τ → 3μ in proton-proton collisions at √s = 13 TeV
Authors: Jayananda, M.K.
Sonnadara, D.U.J.
Wickramaratne, D.D.C.
Keywords: Hadron-Hadron scattering (experiments)
Lepton production
Tau Physics
Issue Date: 2021
Publisher: Springer
Citation: CMS Collaboration. "Search for the lepton flavor violating decay τ→ 3μ in proton-proton collisions at√ s= 13 TeV." Journal of High Energy Physics (2021).
Abstract: Abstract: Results are reported from a search for the lepton flavor violating decay τ → 3µ in proton-proton collisions at √ s = 13 TeV. The data sample corresponds to an integrated luminosity of 33.2 fb−1 recorded by the CMS experiment at the LHC in 2016. The search exploits τ leptons produced in both W boson and heavy-flavor hadron decays. No significant excess above the expected background is observed. An upper limit on the branching fraction B(τ → 3µ) of 8.0 × 10−8 at 90% confidence level is obtained, with an expected upper limit of 6.9 × 10−8 .
URI: 10.1007/JHEP01(2021)163
Appears in Collections:Department of Physics

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