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Detalle_Publicacion

Search for W Boson Decays to Three Charged Pions

Abstract: For the first time, a search for the rare decay of the W boson to three charged pions has been performed. Proton-proton collision data recorded by the CMS experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 77.3?fb-1, have been analyzed. No significant excess is observed above the background expectation. An upper limit of 1.01×10?6 is set at 95% confidence level on the branching fraction of the W boson to three charged pions. This provides a strong motivation for theoretical calculations of this branching fraction.

Otras publicaciones de la misma revista o congreso con autores/as de la Universidad de Cantabria

 Fuente: Phys. Rev. Lett. 122, 151802 (2019)

Editorial: American Physical Society

 Fecha de publicación: 01/04/2019

Nº de páginas: 17

Tipo de publicación: Artículo de Revista

 DOI: 10.1103/PhysRevLett.122.151802

ISSN: 0031-9007,1079-7114

Url de la publicación: https://doi.org/10.1103/PhysRevLett.122.151802