The allowed parameter space of the Two Higgs Doublet Model of Type II

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High Energy Physics - Phenomenology

The allowed parameter space of the Two Higgs Doublet Model of Type II

Cornering the Two Higgs Doublet Model Type II

We perform a comprehensive study of the allowed parameter space of the two-higgs doublet model of type 2 (2hdm-ii).

We find that the 2hdm-ii fits the data slightly better than the standard model with best fit values of the heavy higgsmasses around 2 tev and a value of.

We conclude that the wrong-sign limit is excluded and potential deviations from the alignment limit can only be tiny.

Finally we test the consequences of our study on electroweak baryogenesis via the program package bsmpt and we find that the allowed parameter space strongly discourages a strong first order phase transition within the 2hdm-ii.

Authors

Oliver Atkinson, Matthew Black, Alexander Lenz, Aleksey Rusov, James Wynne

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