Constraining SUSY Models with Spontaneous CP-Violation via B->ψK_s

Details Constraining SUSY Models with Spontaneous CP-Violation via B->ψK_s Constraining SUSY Models with Spontaneous CP-Violation via B->ψK_s

1999-05-03

arxiv.org/abs/hep-ph/9905216v2

Int.J.Mod.Phys.A15:2987-3000,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 7 figures, revised

Scientific paper

10.1142/S0217751X00001085

We study CP-violating effects in $B\to \psi K_{s}$ decay within minimal supersymmetric models with spontaneous CP-violation. We find that the CP-asymmetry predicted by the Standard Model in this decay, $\sin 2\beta \geq 0.4$, cannot be accommodated in these models without violating the bound on the neutron electric dipole moment. This result holds for NMSSM-like models with an arbitrary number of sterile superfields. Further implications of the scenario are discussed.

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