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Search for the lepton flavor violating decay [tau] -> 3[pi] in proton-proton collisions at [root]s = 13 TeV

Abstract: Results are reported from a search for the lepton flavor violating decay ? ? 3? 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 ? 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 ?(? ? 3?) of 8.0 × 10?8 at 90% confidence level is obtained, with an expected upper limit of 6.9 × 10?8.

 Fuente: Journal of High Energy Physics. Volume 2021, Article number: 163

 Editorial: Springer Verlag

 Año de publicación: 2021

 Nº de páginas: 37

 Tipo de publicación: Artículo de Revista

 DOI: https://doi.org/10.1007/JHEP01(2021)163

 ISSN: 1126-6708,1029-8479

 Url de la publicación: https://doi.org/10.1007/JHEP01(2021)163

Autoría

THE CMS COLLABORATION

SIRUNYAN, A. M.

MARCOS FERNANDEZ GARCIA

PEDRO JOSE FERNANDEZ MANTECA

ANDREA GARCIA ALONSO

CEDRIC GERALD PRIEELS

FRANCESCA SHUN-NING ANNAROSA RICCI-TAM

LORENZO RUSSO