Neutron electric dipole moment in two Higgs doublet model.

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概要

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• 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 O_<3g> = GGG^^~ and the operator O_<qg> = q^^-σG^^~q, in the cases of tanβ ≫ 1, tanβ ≪ 1 and tanβ ≃ 1. It is shown that O_<sg> gives the main contribution to the neutron EDM compared to the other operators, and also that the contributions of O_<ug> and O_<3g> cancel out each other. It is pointed out that the inclusion of second lightest neutral Higgs scalar adding to the lightest one is of essential importance to estimate the neutron EDM. The neutron EDM is considerably reduced due to the destructive contribution with each other if the mass difference of the two Higgs scalars is of the order O(50GeV).

• 理論物理学刊行会の論文
• 1994-05-25

著者

• TANIMOTO Morimitsu

  Department of Physics, Niigata University

• KOIDE YOSHIO

  Department of Molecular Diagnostics, Tohoku University Graduate School of Medicine

• Tanimoto Morimitsu

  Science Education Laboratory, Ehime University

• TANIMOTO Masayuki

  Yukawa Institute for Theoretical Physics, Kyoto University

• 松田 正久

  愛知教育大

• HAYASHI Takemi

  Kogakkan University

• MATSUDA Masahisa

  Department of Physics and Astronomy, Aichi University of Education

• TANIMOTO Morimitu

  Department of Physics, Niigata University

• Tanimoto Morimitsu

  Science Education Laboratory Ehime University

• Tanimoto Morimitu

  Department Of Physics Niigata University

• Morimitsu Tanimoto

  Science Education Laboratory Ehime University

• Koide Y

  Univ. Shizuoka Shizuoka

• Hayashi T

  Kogakkan University

• HAYASHI Takemi

  Kure National College of Technology

• HATTORI Toshihiko

  Institute of Theoretical Physics, University of Tokushima

• Tanimoto Morimitsu

  Cfif

• HASUIKE Tsutom

  Department of Physics, Anan College of Technology

• Koide Yoshio

  Department Of Physics University Of Shizuoka

• Matsuda Masahisa

  Department Of Physics Aichi University Of Education

• Koide Yoshio

  Department Of Applied Mathematics Faculty Of Engineering Science Osaka University

• KOIDE Yoshio

  Department of Physics, University of Shizuoka

• KOIDE Yoshio

  Laboratory of Physics, Shizuoka Women's University

• HAYASHI Toshio

  Department of Physics, University of Kagawa

• HAYASHI Toshio

  Department of Physics, Faculity of Education, University of Kagawa

• TANIMOTO Morimitsu

  Faculty of Education, Ehime University

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