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Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 26: Higgs physics (theory)

T 26.8: Talk

Tuesday, March 16, 2021, 17:45–18:00, Ta

A Two-Higgs-Doublet Variant of the Standard*Model*Axion*Seesaw*Higgs-Portal-Inflation Model — •Michael Matlis, Andreas Ringwald, and Gudrid Moortgat-Pick — Deutsches Elektronen-Synchrotron DESY, Theory Group, D-22603 Hamburg, Germany

The Standard Model (SM) suffers from five shortcomings: Dark Matter, Neutrino masses and mixing, Baryon asymmetry, Strong CP-Problem and Inflation. The latter is regarded as the seeds for structure formation. In this contribution, we introduce the 2hdSMASH (Two-Higgs-Doublet SM*Axion*Seesaw*Higgs-Portal-Inflation) model which aims at giving a complete and unified picture of the universe evolution from the inflationary epoch to today. In particular, we focus on parameter constraints for scalar masses and on the inflationary constraint for perturbative unitarity and provide an outlook for further collider phenomenology in 2hdSMASH.

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