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An N2HDM Solution for the possible 96 GeV Excess
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An N2HDM Solution for the possible 96 GeV Excess
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We discuss a ~3 sigma signal (local) in the light Higgs-boson search in the diphoton decay mode at ~96 GeV as reported by CMS, together with a ~2 sigma excess (local) in the bb final state at LEP in the same mass range. We review the interpretation of this possible signal as a Higgs boson in the 2~Higgs Doublet Model with an additional real Higgs singlet (N2HDM). It is shown that the lightest Higgs boson of the N2HDM can perfectly fit both excesses simultaneously, while the full Higgs-boson sector is in agreement with all Higgs-boson measurements and exclusion bounds as well as other theoretical and experimental constraints. It is demonstrated that in particular the N2HDM type~II and can fit the data best, leading to a supersymmetric interpretation. The NMSSM and the munuSSM are briefly reviewed in this respect.
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Cited by 1 Pith paper
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Interpreting Light Scalar Excesses and Heavy Scalar Cascades in the $\mu$-Term Extended NMSSM
Viable regions in the μNMSSM accommodate the 95 GeV excesses within 2σ and allow heavy CP-even and CP-odd scalars to produce cascades close to current CMS sensitivity.
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