2003/07/29 by J. Orloff, Orloff, J.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph
paper · pdf · doi:10.48550/arxiv.hep-ph/0307351
11 pages, 6 figures; presented at the XXXVIII Rencontres de Moriond: Electroweak Interactions and Unified Theories, Les Arcs, France, 15-22 March 2003
arxiv created 2003/07/29 · arxiv updated 2009/12/01
We review the experimental evidence for a net baryon density in cosmology, and the theoretical mechanism for producing it, called leptogenesis, which relies on the creation of a lepton asymmetry at an intermediate step. The naturality of this mechanism and its possible relations with neutrino oscillations are outlined.