CP violation in supersymmetry with universal strength of Yukawa couplings

Details CP violation in supersymmetry with universal strength of Yukawa couplings CP violation in supersymmetry with universal strength of Yukawa couplings

2002-10-31

arxiv.org/abs/hep-ph/0210443v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 3 eps figures, talk given at SUSY02, The 10th International Conference on Supersymmetry and Unification of Fundamenta

Scientific paper

We analyse the CP problem in the context of a supersymmetric extension of the standard model with universal strength of Yukawa couplings. In these models we find a small amount of CP violation from the usual CKM mechanism and therefore a significant contribution from supersymmetry is required. The electric dipole moments impose severe constraints on the parameter space, forcing the trilinear couplings to be factorizable in matrix form. We find that the LL mass insertions give the dominant gluino contribution to saturate epsilon_K, while chargino contributions to epsilon'/epsilon are compatible with the experimental results. Due to significant supersymmetric contributions to B_d-\bar{B}_d mixing, the recent large value of a_{J/\psi K_S} can be accommodated.

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