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Electric Dipole Moments of Neutron and Electron in Two-Higgs-Doublet Model with Maximal $CP$ violation

We study the electric dipole moments(EDM) of the neutron and the electron in the two-Higgs-doublet model, in the case that $CP$ symmetry is violated maximally in the neutral Higgs sector. We take account of the Weinberg's operator $O_{3g}=GG\t G$ as well as the operator $O_{qg}=\bar qσ\tilde Gq$ for the neutron, and the Barr-Zee diagrams for the electron. It is found that the predicted neutron EDM could be considerably reduced by the destructive contribution of the two Higgs scalars to get the lower value than the experimental bound. As to the electron EDM, the predicted value is smaller in one order than the experimental one.

preprint1994arXivOpen access
Takemi HAYASHIYoshio KoideMasahisa MATSUDAMorimitsu TanimotoSeiichi Wakaizumi
hep-ph
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Takemi HAYASHIYoshio KoideMasahisa MATSUDAMorimitsu TanimotoSeiichi Wakaizumi

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