Purely Flavored Leptogenesis at the TeV Scale

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Muñoz, Luis Alfredo
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Abstract
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I study variations of the standard leptogenesis scenario that can arise if an additional mass scale related to the breaking of some new symmetry is present below the mass $M_{N_1}$ of the lightest right-handed Majorana neutrino. I present a particular realization of this scheme that allows for leptogenesis at the TeV scale. In this realization the baryon asymmetry is exclusively due to flavor effects.
Comment: Talk given at the Young Researchers Workshop "Physics Challenges in the LHC Era", Frascati, May 11 and 14, 2009
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High Energy Physics - Phenomenology
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