Leptogenesis and Low-energy Observables

Details Leptogenesis and Low-energy Observables Leptogenesis and Low-energy Observables

2001-09-28

arxiv.org/abs/hep-ph/0110001v2

Phys.Rev. D65 (2002) 053019

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, revised discussion on light neutrino masses

Scientific paper

10.1103/PhysRevD.65.053019

We relate leptogenesis in a class of theories to low-energy experimental observables: quark and lepton masses and mixings. With reasonable assumptions motivated by grand unification, one can show that the CP-asymmetry parameter takes a universal form. Furthermore the dilution mass is related to the light neutrino masses. Overall, these models offer a natural explanation for a lepton asymmetry in the early universe.

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