2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/46699The lepton family-number changing ΔL = 2 neutrino reactions in the framework of the SU(3)_C X SU(3)_L X U(1)_N model with right-handed neutrinos are presented. These processes have a much-enhanced cross section as a result of s-channnel resonant bilepton Y production and they should be added to ultrahigh-energy neutrino interactions.5 pages, LatexHigh Energy Physics - Phenomenologytext