We review the baryogenesis scenario in the MSSM at the perturbative level and, in particular, the impact of two-loop corrections on the strength of the phase transition and the amount of generated baryon asymmetry. We confirm the baryogenesis window, where m_G < approx 115 GeV, for m_Q < approx a few GeV, and the right-handed stop mass is constrained in the region, 100 GeV < approx m_t approx < approx m_t. This scenario will be tested at LEP and Tevatron colliders.
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