paper

Electroweak Baryogenesis in the Exceptional Supersymmetric Standard Model

arXiv:1411.5575 · doi:10.1088/1475-7516/2015/08/055

Abstract

We study electroweak baryogenesis in the E_6 inspired exceptional supersymmetric standard model ( E_6SSM ). The relaxation coefficients driven by singlinos and the new gaugino as well as the transport equation of the Higgs supermultiplet number density in the E_6SSM are calculated. Our numerical simulation shows that both CP-violating source terms from singlinos and the new gaugino can solely give rise to a correct baryon asymmetry of the Universe via the electroweak baryogenesis mechanism.

13 pages, 3 figures

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