Baryogenesis through R-parity violation

Details Baryogenesis through R-parity violation Baryogenesis through R-parity violation

1996-08-02

arxiv.org/abs/hep-ph/9608209v1

Phys.Rev. D55 (1997) 3836-3843

Physics

High Energy Physics

High Energy Physics - Phenomenology

25 pages latex file (containing six eps files)

Scientific paper

10.1103/PhysRevD.55.3836

We consider generation of baryon asymmetry of the universe through $R-$parity violation in a scenario in which out-of-equilibrium condition is satisfied by making the electroweak phase transition to be first order. We study all the $R-$parity violating interaction which can generate $(B-L)$ asymmetry which then converts to baryon asymmetry of the universe. We demonstrate that CP--violating sfermion deudy all the $R-$parity violating interaction which can generate $(B-L)$ asymmetry which then converts to baryon asymmetry of the universe. We demonstrate that CP--violating sfermion decays contribute more than that of the neutralino decays in the generation of $(B-L)$ asymmetry.

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