Explicit CP Violation in the Higgs Sector of the Next-to-Minimal Supersymmetric Standard Model : Particles and Fields

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概要

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• We analyze explicit CP violation in the Higgs sector of the next-to-minimal supersymmetric standard model which contains an additional gauge singlet field N. It is shown that there is no mixing among scalar and pseudoscalar Higgs fields in the two Higgs doublets, and scalar-pseudoscalar mixings, could exist between two Higgs doublets and the single N, and between N itself. CP symmetry is conserved in the extreme limits <N>≫υ, <N> ≪ υand tanβ≫ 1. In the region <N>=O(υ) and tanβ=0(1), large scalar-pseudoscalar mixings are realized, and this effect can reduce the lightest Higgs mass. The mass difference between the no mixing and mixing cases is about 10~30 GeV. The neutron electric dipole moment in this model is consistent with the present experimental upper limit, provided that squark and gaugino masses are sufficiently heavy (O(1) TeV).

• 理論物理学刊行会の論文
• 1997-02-25

著者

• Haba Naoyuki

  Institute of Theoretical Physics, University of Tokushima

• Haba N

  Univ. Tokushima Tokushima Jpn

• Haba Naoyuki

  Department Of Physics Osaka University

• HADA Naoyuki

  Department of Physics, Nagoya University

• Haba Naoyuki

  Department Of Physics Nagoya University

• HABA Naoyuki

  Department of Physics, Nagoya University

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