We discuss a ∼ 3 σ signal (local) in the light Higgs-boson search in the diphoton decay mode at ∼ 96 GeV as reported by CMS, together with a ∼ 2 σ 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 µνSSM are briefly reviewed in this respect. An N2HDM Solution for the possible 96 GeV Excess S. Heinemeyer model (N2HDM) [24,25] was investigated. In this model the two Higgs doublets are supplemented with a real Higgs singlet, giving rise to one additional (potentially light) C P-even Higgs boson. However, in comparison to SUSY models the N2HDM does not have to obey the SUSY relations in the Higgs-boson sector. Consequently, it allows to study how the potential fits the two excesses simultaneously in a more general way. Here we review first the results obtained in the N2HDM [23] and then two possible SUSY realizations.
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