2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43889A grand unified model based on SU(5) and supersymmetryis presented to account for the masses and mixing of the neutrinos observed in experiments.2 pages,To be published in the Proceedings of the 2nd International Symposium on New Developments of Integrated Sciences, Tokyo, Japan, 16,17,18 March, 2004High Energy Physics - Phenomenologytext