Cosmological Baryon Asymmetry and Kaon CP Violation from a Common Source

Details Cosmological Baryon Asymmetry and Kaon CP Violation from a Common Source Cosmological Baryon Asymmetry and Kaon CP Violation from a Common Source

1995-08-16

arxiv.org/abs/hep-ph/9508316v1

Phys.Rev. D53 (1996) 3902-3912

Physics

High Energy Physics

High Energy Physics - Phenomenology

26 pages, Latex. 6 figures submitted as uuencoded file, uses epsfig.sty

Scientific paper

10.1103/PhysRevD.53.3902

We extend an earlier model for radiatively generated fermion masses based on the Pati-Salam group to include CP violation. Spontaneous CP violation in the early universe gives rise to a complex mass matrix for heavy sterile neutrinos. The out-of-equilibrium decay of these neutrinos generates a $B-L$ asymmetry. The sterile neutrinos also act as a mass seed in generating one-loop (complex) mass matrices for the quarks. Thus, the two low energy manifestations of CP violation -- the CKM phase and the baryon number asymmetry -- can both be traced in a calculable way to a common source.

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