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Electroweak Baryogenesis in the CP-Violating Two-Higgs Doublet Model

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arxiv 2108.03580 v1 pith:OOIADGCF submitted 2021-08-08 hep-ph

Philipp Basler , Margarete Mühlleitner , Jonas Müller This is my paper · ORCID
classification hep-ph
keywords bsmptmodelbaryogenesisc2hdmcomputationcp-violatingelectroweakobtained
verification ladder T0 review T1 audit T2 compute T3 formal
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Recently we presented the upgrade of our code BSMPT for the calculation of the electroweak phase transition (EWPT) to BSMPT v2 which now includes the computation of the baryon asymmetry of the universe (BAU) in the CP-violating 2-Higgs-Doublet Model (C2HDM). In this paper we use {\tt BSMPT v2} to investigate the size of the BAU that is obtained in the C2HDM with the two implemented approaches FH and VIA to derive the transport equations, by taking into account all relevant theoretical and experimental constraints. We identify similarities and differences in the results computed with the two methods. In particular, we analyse the dependence of the obtained BAU on the parameters relevant for successful baryogenesis. Our investigations allow us to pinpoint future directions for improvements both in the computation of the BAU and in possible avenues taken for model building.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Electroweak baryogenesis from charged current anomalies in $B$ meson decays

    hep-ph 2025-02 conditional novelty 6.0 of 10

    Complex lepton Yukawa couplings in a two Higgs doublet model that explain the R(D(*)) flavor anomalies can also source electroweak baryogenesis, yielding the observed baryon asymmetry under assumed strong first-order ...

  2. Electroweak Baryogenesis: Advances in Sphaleron Rate Calculations and Implications of Thermal Phase Transitions

    hep-ph 2026-07 conditional novelty 5.0 of 10

    Sphaleron rates can be computed gauge-invariantly in 3D thermal EFT, yielding a new baryon-washout criterion x = lambda3/g3^2 that replaces v_c/T_c > 1 for electroweak baryogenesis.

  3. Super-critical primordial black hole formation via delayed first-order electroweak phase transition

    hep-ph 2025-01 conditional novelty 4.0 of 10

    Delayed first-order electroweak phase transitions can form super-critical primordial black holes, and a timescale ratio t_H/t_V captures the threshold better than the standard density contrast.

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