Electric Dipole Moments in the CP-violating Generational Three-Higgs-Doublet Model

Abstract

Motivated by the new violation interactions in Yukawa sector of the Generational Three-Higgs-Doublet Model (G3HDM), this work focuses on the predicted electric dipole moments (EDMs) of $b$ quark, $c$ quark, electron, neutron, and mercury atom predicted in the model. The experimental constraints from $125~\mathrm{GeV}$ Higgs signals, flavor physics, and B meson rare-decay processes are considered in the computations. The numerical results are presented and analyzed by scanning the allowed parameter space of the model. It is found that the contributions from scalars in the model to these EDMs can cancel each other. The cancellation of the contributions to the EDMs of $b$ quark, neutron and mercury atom are generally weak, while the one to $c$ quark and electron EDM is relatively acute, which leads to a quit different predictions on their EDMs.