Leptogenesis in the minimal supersymmetric triplet seesaw model
G. D'Ambrosio, T. Hambye, A. Hektor, M. Raidal, A. Rossi
Abstract
In the supersymmetric triplet (type-II) seesaw model, in which a single SU(2)L-triplet couples to leptons, the high-energy neutrino flavour structure can be directly determined from the low-energy neutrino data. We show that even with such a minimal triplet content, leptogenesis can be naturally accommodated thanks to the resonant interference between superpotential and soft supersymmetry breaking terms.
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