2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/124444Non-renormalizable operators both account for the failure of down quark and charged lepton Yukawa couplings to unify and reduce the proton decay rate via dimension-five operators in minimal SUSY SU(5) GUT. We extend the analysis to SUSY SO(10) GUT models.Higgs sector clarified, two Refs addedHigh Energy Physics - Phenomenologytext