Search for a W′ boson decaying to a τ lepton and a neutrino in proton-proton collisions at vs=13TeV

Search for a W′ boson decaying to a τ lepton and a neutrino in proton-proton collisions at vs=13TeV

Dettagli Bibliografici
Parent link:Physics Letters B
Vol. 792.— 2019.— [P. 107-131]
Ente Autore: Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Altri autori: Sirunyan А. М., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Asilar E. Ece, Bergauer T. Thomas, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich
Riassunto:Title screen
A search for a new high-mass resonance decaying to a τ lepton and a neutrino is reported. The analysis uses proton-proton collision data collected by the CMS experiment at the LHC at s=13TeV, corresponding to an integrated luminosity of 35.9fb−1. The search utilizes hadronically decaying τ leptons. No excess in the event yield is observed at high transverse masses of the τ and missing transverse momentum. An interpretation of results within the sequential standard model excludes W′ boson masses below 4.0 TeV at 95% confidence level. Existing limits are also improved on models in which the W′ boson decays preferentially to fermions of the third generation. Heavy W′ bosons with masses less than 1.7-3.9 TeV, depending on the coupling in the non-universal G(221) model, are excluded at 95% confidence level. These are the most stringent limits on this model to date.
Lingua:inglese
Pubblicazione: 2019
Soggetti:
электронный ресурс
труды учёных ТПУ
CMS
physics
Tau
MET
физика
Accesso online:https://doi.org/10.1016/j.physletb.2019.01.069
Natura: Elettronico Capitolo di libro
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662438

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