Neutrino Masses and Leptogenesis from R Parity Violation

Details Neutrino Masses and Leptogenesis from R Parity Violation Neutrino Masses and Leptogenesis from R Parity Violation

2000-08-05

arxiv.org/abs/hep-ph/0008050v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, no figure, preprint version of talk at DARK 2000, Heidelberg, Germany (July 2000)

Scientific paper

In R parity violating supersymmetry (conserving baryon number B but violating lepton number L), Majorana neutrino masses may arise at tree level, in one loop, and in two loops. The L violating interactions work together with the B + L violating electroweak sphalerons to erase any preexisting B or L asymmetry of the Universe. To have successful leptogenesis nevertheless, a specific scenario is proposed.

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