Additional Higgs Bosons near 95 and 650 GeV in the NMSSM

Author:

Ellwanger Ulrich,Hugonie Cyril

Abstract

AbstractHints for an additional Higgs boson with a mass of about 95 GeV originate from LEP and searches in the diphoton channel by CMS and ATLAS. A search for resonant production of SM plus BSM Higgs bosons in the diphoton plus $$b\bar{b}$$ b b ¯ channel by CMS showed some excess for a 650 GeV resonance decaying into the SM Higgs plus a 95 GeV Higgs boson. We investigate whether these phenomena can be interpreted simultaneously within the NMSSM subject to the latest constraints on couplings of the SM Higgs boson, on extra Higgs bosons from the LHC, and on dark matter direct detection cross sections. We find that the hints for a 95 GeV Higgs boson in the diphoton channel by CMS and ATLAS and in the diphoton plus $$b\bar{b}$$ b b ¯ channel by CMS can be fitted simultaneously within the $$2\,\sigma $$ 2 σ  level.

Publisher

Springer Science and Business Media LLC

Subject

Physics and Astronomy (miscellaneous),Engineering (miscellaneous)

Reference86 articles.

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