Search for light bosons in decays of the 125 GeV Higgs boson in proton-proton collisions at sqrt(s) = 8 TeV

Abstract : A search is presented for decays beyond the standard model of the 125 GeV Higgs bosons to a pair of light bosons, based on models with extended scalar sectors. Light boson masses between 5 and 62.5 GeV are probed in final states containing four tau leptons, two muons and two b quarks, or two muons and two tau leptons. The results are from data in proton-proton collisions corresponding to an integrated luminosity of 19.7 inverse-femtobarns, accumulated by the CMS experiment at the LHC at a center-of-mass energy of 8 TeV. No evidence for such exotic decays is found in the data. Upper limits are set on the product of the cross section and branching fraction for several signal processes. The results are also compared to predictions of two-Higgs-doublet models, including those with an additional scalar singlet.
Type de document :
Pré-publication, Document de travail
Submitted to JHEP. All figures and tables can be found at http://cms-results.web.cern.ch/cms-resu.. 2017
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http://hal.in2p3.fr/in2p3-01430540
Contributeur : Sylvie Flores <>
Soumis le : mardi 10 janvier 2017 - 07:47:28
Dernière modification le : mardi 16 janvier 2018 - 16:16:49

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  • HAL Id : in2p3-01430540, version 1
  • ARXIV : 1701.02032

Citation

V. Khachatryan, M. Besançon, F. Couderc, M. Dejardin, D. Denegri, et al.. Search for light bosons in decays of the 125 GeV Higgs boson in proton-proton collisions at sqrt(s) = 8 TeV. Submitted to JHEP. All figures and tables can be found at http://cms-results.web.cern.ch/cms-resu.. 2017. 〈in2p3-01430540〉

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