Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-11-12
Physics
High Energy Physics
High Energy Physics - Phenomenology
talk given at the EPS-HEP conference in Marseille, July 1993; based on work done together with Graham Ross; 3 pages of Latex,
Scientific paper
This talk is based on work performed with Graham Ross and is a very concise summary of our soon to be published paper. Here we present a revision of the analysis of sphaleron baryon-number violating processes in the standard model including lepton-mass effects. We find the surprising result that a GUT-scale matter-asymmetry can survive the $B$ and $L$ violating sphaleron interactions even though ($B- L$) is conserved and equals zero for all temperatures. We extend the analysis to cover the minimal supersymmetric standard model (MSSM). As a new result we present the MSSM analysis below the temperature of electroweak breaking and for $B-L=0$ at all temperatures
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