Spontaneous CP violation in the Supersymmetric Higgs Sector

Details Spontaneous CP violation in the Supersymmetric Higgs Sector Spontaneous CP violation in the Supersymmetric Higgs Sector

1993-08-03

arxiv.org/abs/hep-ph/9308217v1

Phys.Rev.D49:2156-2160,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages (Plain LaTeX, 2 figures availbale on request), BA-93-42

Scientific paper

10.1103/PhysRevD.49.2156

Spontaneous CP--violation in the minimal supersymmetric standard model with a gauge singlet and a cubic superpotential is examined. Although the tree--level Higgs potential conserves CP, it is shown that with the inclusion of the one--loop top--quark radiative effects, CP may be broken spontaneously. The CP--violating minimum requires two neutral $(h_1,h_2)$ and one charged $(H^\pm)$ Higgs--bosons to be relatively light with $m_{h_1}+m_{h_2} \stackrel{_<}{_\sim} 100~GeV$ and $m_{H^\pm} \stackrel{_<}{_\sim} 110~GeV$. The electric dipole moment of the electron is in the observable range of $({1 \over 3}~{\rm to}~3) \times 10^{-27}$e-cm.

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