2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/201766It is shown that a supersymmetric SO(10) model extended with fermion singlets can accommodate the observed neutrino masses and mixings as well as generate the desired lepton asymmetry in concordance with the gravitino constraint. A necessary prediction of the model is near-TeV scale doubly-charged Higgs scalars which should be detectable at the LHC.Latex, 7 pages, 2 figures, minor clarifications added, to appear in Physics Letters BHigh Energy Physics - Phenomenologytext