Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1994-02-02
Phys.Rev.D50:1105-1117,1994
Physics
High Energy Physics
High Energy Physics - Phenomenology
30 pages, 2 figures ( uuencoded tar.Z file of PS files is appended ), plain TeX with phyzzx, tables and epsf,SAGA-HE-55--KYUSH
Scientific paper
10.1103/PhysRevD.50.1105
A general prescription to solve the Dirac equation in the presence of CP-violating electroweak bubble wall is presented. The profile of the bubble wall is not specified except that the wall height is $m_0$ and zero deep in the broken- and the symmetric-phase regions, respectively, where $m_0$ is a fermion mass given by the Higgs-vacuum-expectation value and the Yukawa coupling. The CP-violating effects are evaluated by regarding CP-violating part of the bubble wall as a perturbation to CP-conserving solutions. The basic quantity, $R_{R\rightarrow L}-\bar R_{R\rightarrow L}$, which would contribute to the cosmological baryon asymmetry, is estimated for some typical profiles of the wall, where $R_{R\rightarrow L}$($\bar R_{R\rightarrow L}$) is the reflection coefficient of right-handed chiral fermion (anti-fermion).
Funakubo Koichi
Kakuto Akira
Otsuki Shoichiro
Takenaga Kazunori
Toyoda Fumihiko
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