Fermion and Anti-Fermion Effective Masses in High Temperature Gauge Theories in $CP$-Asymmetric Background

Details Fermion and Anti-Fermion Effective Masses in High Temperature Gauge Theories in $CP$-Asymmetric Background Fermion and Anti-Fermion Effective Masses in High Temperature Gauge Theories in $CP$-Asymmetric Background

1993-04-29

arxiv.org/abs/hep-ph/9304316v1

Phys.Rev.D48:3901-3905,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, TIPAC-930010

Scientific paper

10.1103/PhysRevD.48.3901

We calculate the splitting between fermion and anti-fermion effective masses
in high temperature gauge theories in the presence of a non-vanishing chemical
potential due to the $CP$-asymmetric fermionic background. In particular we
consider the case of left-handed leptons in the $SU(2)\otimes U(1)$ theory when
the temperature is above $250$ GeV and the gauge symmetry is restored.

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