Neutrino Masses and Leptogenesis from R Parity Violation
Abstract
Description
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.
11 pages, no figure, preprint version of talk at DARK 2000, Heidelberg, Germany (July 2000)
11 pages, no figure, preprint version of talk at DARK 2000, Heidelberg, Germany (July 2000)