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http://earchive.tpu.ru/handle/11683/74937
Title: | Search for the lepton flavor violating decay τ → 3μ in proton-proton collisions at √s = 13 TeV |
Authors: | Sirunyan, A. M. Tumasyan, A. R. Adam, Wolfgang Babaev, Anton Anatoljevich Yuzhakov, Aleksandr Dmitrievich Okhotnikov, Vitaly Vladimirovich Sukhikh, Leonid Grigorievich |
Keywords: | Hadron-Hadron scattering (experiments); Lepton production; Tau Physics |
Issue Date: | 2021 |
Publisher: | Springer Science+Business Media LLC. |
Citation: | Search for the lepton flavor violating decay τ → 3μ in proton-proton collisions at √s = 13 TeV / A. M. Sirunyan, A. R. Tumasyan, W. Adam [et al.] // Journal of High Energy Physics. — 2021. — Vol. 2021, iss. 1. — [163, 36 p.]. |
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: | http://earchive.tpu.ru/handle/11683/74937 |
Appears in Collections: | Репринты научных публикаций |
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reprint-nw-39897.pdf | 525,86 kB | Adobe PDF | View/Open |
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