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

Дата
2019
Авторы
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Chadeeva, M.
Parygin, P.
Philippov, D.
Polikarpov, S.
Popova, E.
Rusinov, V.
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Институт ядерной физики и технологий
Цель ИЯФиТ и стратегия развития - создание и развитие научно-образовательного центра мирового уровня в области ядерной физики и технологий, радиационного материаловедения, физики элементарных частиц, астрофизики и космофизики.
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Аннотация
© 2019 The Author(s) 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.
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Search for a W ′ boson decaying to a τ lepton and a neutrino in proton-proton collisions at s=13TeV / Sirunyan, A.M. [et al.] // Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. - 2019. - 792. - P. 107-131. - 10.1016/j.physletb.2019.01.069
URI
https://www.doi.org/10.1016/j.physletb.2019.01.069
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85063392269&origin=resultslist
 http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000466802100019
 https://openrepository.mephi.ru/handle/123456789/16723
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