Supersymmetric Triplet Higgs Model of Neutrino Masses and Leptogenesis
  We construct a supersymmetric version of the triplet Higgs model for neutrino masses, which can generate a baryon asymmetry of the Universe through lepton-number violation and is consistent with the gravitino constraints. 
Thomas Hambye (Marseille, CPT & Frascati), Ernest Ma (UC, Riverside)   and Utpal Sarkar (Ahmedabad, Phys. Res. Lab.)