Electroweak baryogenesis and the Higgs and stop masses

Details Electroweak baryogenesis and the Higgs and stop masses Electroweak baryogenesis and the Higgs and stop masses

2001-01-20

arxiv.org/abs/hep-ph/0101230v1

Nucl.Phys.Proc.Suppl. 101 (2001) 401-409

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 6 figures, uses espcrc2.sty. Contribution to the conferences: Strong Electroweak Matter, Centre de Physique Theoriqu

Scientific paper

10.1016/S0920-5632(01)01526-2

In this talk we review the actual situation concerning electroweak phase transition and baryogenesis in the minimal supersymmetric extension of the Standard Model. A strong enough phase transition requires light Higgs and stop eigenstates. For a Higgs mass in the range 110--115 GeV, there is a stop window in the range 105--165 GeV. If the Higgs is heavier than 115 GeV, stronger constrains are imposed on the space of supersymmetric parameters. A baryon-to-entropy ratio is generated by the chargino sector provided that the $\mu$ parameter has a CP-violating phase larger than $\sim$ 0.04.

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