Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-07-28
Phys.Lett. B604 (2004) 199-206
Physics
High Energy Physics
High Energy Physics - Phenomenology
References added, discussion expanded, to appear in PLB
Scientific paper
10.1016/j.physletb.2004.10.056
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.
D'Ambrosio Giancarlo
Hambye Thomas
Hektor Andi
Raidal Martti
Rossi Alessandro
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