Re-Examination of Generation of Baryon and Lepton Number Asymmetries by Heavy Particle Decay

Details Re-Examination of Generation of Baryon and Lepton Number Asymmetries by Heavy Particle Decay Re-Examination of Generation of Baryon and Lepton Number Asymmetries by Heavy Particle Decay

1993-04-09

arxiv.org/abs/hep-ph/9304241v1

Phys.Rev.D48:4609-4612,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 2 Feynman graphs (not included), UPR-0559

Scientific paper

10.1103/PhysRevD.48.4609

It is shown that wave function renormalization can introduce an important
contribution to the generation of baryon and lepton number asymmetries by heavy
particle decay. These terms, omitted in previous analyses, are of the same
order of magnitude as the standard terms. A complete cancellation of leading
terms can result in some interesting cases.

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