Electroweak baryogenesis with the vector-like quark model
Tomoko Uesugi
Abstract
We study on the electroweak baryogenesis problem in the vector-like quark model. This model can add to the minimal standard model the extra CP-violation source which breaks CP spontaneously. Using charge transport mechanism suggested by Nelson et al, we can get the net hypercharge flux : fY 10-5. This result could nicely explain the present baryon to entropy ratio : ρB/s 10-9.
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