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## A search for pair production of new light bosons decaying into muons in proton-proton collisions at 13 ?TeV

Abstract: A search for new light bosons decaying into muon pairs is presented using a data sample corresponding to an integrated luminosity of 35.9fb-1 of proton-proton collisions at a center-of-mass energy s=13TeV, collected with the CMS detector at the CERN LHC. The search is model independent, only requiring the pair production of a new light boson and its subsequent decay to a pair of muons. No significant deviation from the predicted background is observed. A model independent limit is set on the product of the production cross section times branching fraction to dimuons squared times acceptance as a function of new light boson mass. This limit varies between 0.15 and 0.39 fb over a range of new light boson masses from 0.25 to 8.5 GeV. It is then interpreted in the context of the next-to-minimal supersymmetric standard model and a dark supersymmetry model that allows for nonnegligible light boson lifetimes. In both cases, there is significant improvement over previously published limits.

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

Fuente: Physics Letters B, 796, 131?154 (2019)

Editorial: Elsevier

Fecha de publicación: 01/09/2019

Nº de páginas: 24

Tipo de publicación: Artículo de Revista

ISSN: 0370-2693,1873-2445

Url de la publicación: https://doi.org/10.1016/j.physletb.2019.07.013

### Autores/as

SIRUNYAN, A. M.

PEDRO JOSE FERNANDEZ MANTECA

ANDREA GARCIA ALONSO

JUAN GARCIA FERRERO

MARIA AMPARO LOPEZ VIRTO

CEDRIC GERALD PRIEELS