Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-12-13
Phys.Lett. B504 (2001) 241-246
Physics
High Energy Physics
High Energy Physics - Phenomenology
revtex, 4 pages
Scientific paper
10.1016/S0370-2693(01)00303-3
We revisit the supersymmetric CP problem and find that it can be naturally resolved if the origin of CP violation is closely related to the origin of flavour structures. In this case, the supersymmetry breaking dynamics do not bring in any new CP-violating phases. This mechanism requires hermitian Yukawa matrices which naturally arise in models with a U(3) flavour symmetry. The neutron electric dipole moment (NEDM) is predicted to be within one-two orders of magnitude below the current experimental limit. The model also predicts a strong correlation between A_{CP}(b --> s gamma)and the NEDM. The strong CP problem is mitigated although not completely solved.
Abel Steven
Bailin David
Khalil Shaaban
Lebedev Oleg
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