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Search for a pseudoscalar boson decaying into a Z boson and the 125 GeV Higgs boson in l+l-bbfinal states

Abstract: Results are reported on a search for decays of a pseudoscalar A boson into a Z boson and a light scalar h boson, where the Z boson decays into a pair of oppositely-charged electrons or muons, and the h boson decays into bb. The search is based on data from proton–proton collisions at a center-of-mass energy vs=8TeV collected with the CMS detector, corresponding to an integrated luminosity of 19.7 fb-1. The h boson is assumed to be the standard model-like Higgs boson with a mass of 125 GeV. With no evidence for signal, upper limits are obtained on the product of the production cross section and the branching fraction of the A boson in the Zh channel. Results are also interpreted in the context of two Higgs doublet models.

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

 Fuente: Physics Letters B, Vol. 748, Pp. 221–243, 2015

Editorial: Elsevier

 Fecha de publicación: 01/09/2015

Nº de páginas: 23

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.physletb.2015.07.010

ISSN: 0370-2693,1873-2445

 Proyecto español: FPA2014-55295-C3-1-R ; FPA 2011-28694-C02-01

Url de la publicación: https://doi.org/10.1016/j.physletb.2015.07.010

Autoría

KHACHATRYAN, VLADIMIR

JAVIER ANDRES BROCHERO CIFUENTES

JUAN RAMON CASTIÑEIRAS DE SAA

MARCOS FERNANDEZ GARCIA

ALBERTO GRAZIANO

MARIA AMPARO LOPEZ VIRTO

RAFAEL JOSE MARCO DE LUCAS

FRANCISCA JAVIELA MUÑOZ SANCHEZ

ANA YAIZA RODRIGUEZ MARRERO