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Strong Sphalerons and Electroweak Baryogenesis
We analyze the spontaneous baryogenesis and charge transport mechanisms
suggested by Cohen, Kaplan and Nelson for baryon asymmetry generation in
extended versions of electroweak theory. We find that accounting for
non-perturbative chirality-breaking transitions due to strong sphalerons
reduces the baryonic asymmetry by the factor or ,
provided those processes are in thermal equilibrium.Comment: CERN-TH.7080/9