Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-10-31
Phys.Lett.B348:489-495,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
15pages, UWThPh-1994-48, AUE-08-94, US-94-06. The post-script files of figures will be sent by request by electric mail
Scientific paper
10.1016/0370-2693(95)00156-F
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 $O_{qg}=\bar q\sigma\tilde Gq$ 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.
HAYASHI Takemi
Koide Yoshio
Matsuda Masahisa
Tanimoto Morimitsu
Wakaizumi Seiichi
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