Chiral Charge Flux and Electroweak Baryogenesis

Details Chiral Charge Flux and Electroweak Baryogenesis Chiral Charge Flux and Electroweak Baryogenesis

1995-04-03

arxiv.org/abs/hep-ph/9503495v1

Prog.Theor.Phys.93:1067-1074,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures ( not included, hard copies are available upon request ), plain TeX with phyzzx.

Scientific paper

10.1143/PTP.93.1067

By treating CP-violating interaction of the electroweak bubble wall as a perturbative term, chiral charge flux through the bubble wall is estimated. It is found that the absolute value of the flux $F_Q$ has a sharp peak at $m_0 \sim a \sim T$ with $F_Q/(u T^3) \sim 10^{-3}\, (Q_L-Q_R)\,\Delta \theta$. Here $m_0$ is the fermion mass, $1/a$ is the wall thickness, $T$ is the temperature at which the bubbles are growing, $u$ is the wall velocity, $Q_{L(R)}$ is the chiral charge of the relevant left(right)-handed fermion and $\Delta\theta$ is the measure of CP violation.

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