Baryogenesis in a supersymmetric model without R-parity

Details Baryogenesis in a supersymmetric model without R-parity Baryogenesis in a supersymmetric model without R-parity

1996-10-02

arxiv.org/abs/hep-ph/9610221v1

Phys.Lett. B427 (1998) 59-64

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages latex (including 2 eps files)

Scientific paper

10.1016/S0370-2693(98)00305-0

We propose a simple scenario for baryogenesis in supersymmetric models where baryon number is broken alongwith R-parity. The lightest supersymmetric particle (neutralino) decays to three quarks and $CP-$ violation comes from interference of tree and one loop box diagrams. The bounds on the $R-$parity breaking couplings from the out-of-equilibrium condition are considerably relaxed in this scenario.

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