Leptogenesis

Details Leptogenesis Leptogenesis

2008-02-20

arxiv.org/abs/0802.2962v3

Phys.Rept.466:105-177,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

111 pages, 8 figures. Added Sect. 3 on anomalous B+L violation. Corrected equations (6.30) and (6.31). Added Sect. 9.1 with a

Scientific paper

10.1016/j.physrep.2008.06.002

Leptogenesis is a class of scenarios where the baryon asymmetry of the Universe is produced from a lepton asymmetry generated in the decays of a heavy sterile neutrino. We explain the motivation for leptogenesis. We review the basic mechanism, and describe subclasses of models. We then focus on recent developments in the understanding of leptogenesis: finite temperature effects, spectator processes, and in particular the significance of flavor physics.

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