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Title

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

AuthorsBrochero Cifuentes, J. A. ; Cabrillo, I. J. ; Calderon, Alicia ; Chazin Quero, B. ; Duarte Campderros, J. ; Fernández, M. ; Fernández Manteca, P. J.; García-Ferrero, J. ; García Alonso, A. ; Gómez, G. ; López Virto, A. ; Marco, Jesús ; Martínez-Rivero, Celso ; Martínez Ruiz del Arbol, P. ; Matorras, Francisco ; Piedra, Jonatan ; Prieels, C. ; Rodrigo, Teresa ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Trevisani, N. ; Vila, Iván ; Vilar Cortabitarte, R.
KeywordsCMS
Physics
Tau
MET
Issue Date10-May-2019
PublisherElsevier
CitationPhysics Letter B 792: 107-131 (2019)
AbstractA search for a new high-mass resonance decaying to a τlepton and a neutrino is reported. The analysis uses proton-proton collision data collected by the CMS experiment at the LHC at √s=13 TeV, corresponding to an integrated luminosity of 35.9 fb−1. The search utilizes hadronically decaying τleptons. No excess in the event yield is observed at high transverse masses of the τand 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
Publisher version (URL)http://dx.doi.org/10.1016/j.physletb.2019.01.069
URIhttp://hdl.handle.net/10261/213026
DOIhttp://dx.doi.org/10.1016/j.physletb.2019.01.069
Identifiersdoi: 10.1016/j.physletb.2019.01.069
issn: 0370-2693
e-issn: 1873-2445
Appears in Collections:(IFCA) Artículos
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