# Neutron electric dipole moment in two Higgs doublet model.

@article{Hayashi1994NeutronED, title={Neutron electric dipole moment in two Higgs doublet model.}, author={T. Hayashi and Yoshio Koide and Masahisa Matsuda and Morimitsu Tanimoto}, journal={Progress of Theoretical Physics}, year={1994}, volume={91}, pages={915-926} }

We study the effect of the ”chromo-electric” dipole moment on the electric dipole moment(EDM) of the neutron in the two Higgs doublet model. We systematically investigate the Weinberg’s operator O3g = GG ˜ G and the operator Oqg = qσ ˜ Gq, in the cases of tan β ≫ 1, tan β ≪ 1 and tan β ≃ 1. It is shown that Osg gives the main contribution to the neutron EDM compared to the other operators, and also that the contributions of Oug and O3g cancel out each other. It is pointed out that the inclusion…

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Abstract
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