Revisiting electroweak baryogenesis in context of cancelation scenario in the MSSM

Details Revisiting electroweak baryogenesis in context of cancelation scenario in the MSSM Revisiting electroweak baryogenesis in context of cancelation scenario in the MSSM

2006-11-05

arxiv.org/abs/hep-ph/0611056v1

ECONFC0605151:0004,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 3 figures

Scientific paper

We study electric dipole moment bounds on CP-violating phases in the MSSM with special emphasis on the cancelation scenario. We find that in the range favored by electroweak baryogenesis ({\it i.e.,} $|\mu|\simeq M_1$ or $|\mu|\simeq M_2$), $\sin [\theta_\mu+\theta_{M_1}]$ can be as large as ${\cal O}(1)$, even for slepton masses below 500 GeV. Such large values of the phases promise a successful electroweak baryogenesis. We also discuss the possibility of large CP-odd effects at a linear collider.

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