Speaker
Sven Heinemeyer
(Consejo Superior de Investigaciones Cientificas (CSIC) (ES))
Description
We analyze two models, the 2HDM extended by a real singlet, N2HDM, and by a complex singlet (2HDMS) for the parameter space that yields a good description of the 95 GeV excesses observed by CMS, ATLAS and LEP. We demonstrate that the differences between the two models are manifest in the triple Higgs couplings. Precision measurements of various di-Higgs production channels can yield a model distinction, even if the mass spectra and other particle couplings are (nearly) identical between the two models. This constitutes a general idea how BSM Higgs sectors can be distinguished at future e+e- colliders.
Authors
Cheng Li
Daniel Schieber
(Gent U.)
Gudrid Moortgat-Pick
Sven Heinemeyer
(Consejo Superior de Investigaciones Cientificas (CSIC) (ES))