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 phase transition parameters.
Probing Baryogenesis with Radiative Beauty Decay and Electron EDM
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With the Large Hadron Collider (LHC) running, we should probe electroweak baryogenesis (EWBG) while probing $CP$ violation (CPV) with electron electric dipole moment (eEDM). Rooted in the flavor structure of the Standard Model (SM), the general two Higgs doublet model (g2HDM) with a second set of Yukawa couplings can deliver EWBG while surviving eEDM. We point out a chiral-enhanced top-bottom interference effect that makes $b \to s\gamma$ decay an exquisite window on EWBG and eEDM, and illustrate the importance of the $\Delta A_{CP}$ observable at Belle II.
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Electroweak baryogenesis from charged current anomalies in $B$ meson decays
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 phase transition parameters.