Electroweak baryogenesis and the Higgs and stop masses
arXiv:hep-ph/0101230 · doi:10.1016/S0920-5632(01)01526-2
Abstract
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 parameter has a CP-violating phase larger than 0.04.
10 pages, 6 figures, uses espcrc2.sty. Contribution to the conferences: Strong Electroweak Matter, Centre de Physique Theorique, Universite de Marseille, Marseilles (France), June 14-17, 2000; and, Thirty years of supersymmetry, Theoretical Physics Institute, School of Physics and Astronomy, Minneapolis, Minnesota (USA), October 16-27, 2000
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