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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.
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
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