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T: Fachverband Teilchenphysik

T 59: Extended Higgs models II

T 59.7: Vortrag

Mittwoch, 17. März 2021, 17:30–17:45, Ti

Influence of Higgs potential parameters on Dark Matter observables in a Two Higgs Doublet Model with a complex singlet — Juhi Dutta, Gudrid Moortgat-Pick, and •Merle Schreiber — II. Institute for Theoretical Physics, University Hamburg, Hamburg, Germany

Since the Standard Model of particle physics (SM) cannot explain the Dark Matter (DM) observed in the Universe, it is interesting to look at extensions of the SM, which include a DM candidate. An interesting new physics candidate is the Two Higgs Doublet Model (THDM) with an additional complex singlet, which provides a DM candidate that has a mass and interacts weakly with the Higgs doublets.

In this talk I will explore how the Higgs potential parameters of a THDM with a complex singlet influence DM observables, specifically the DM relic density and the cross section of direct detection processes. This is in order to understand how to find a parameter configuration that matches the experimental observations available and then make predictions on how to potentially observe this model in experiments and distinguish it form other extensions of the SM.