2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/51478Hence it excludes proton decay and supersymmetry. The main predictions of a gauge model based on the exceptional simple Lie superalgebra mb(3|8) (a localized version of su(3)+su(2)+u(1)) are reviewed.High Energy Physics - Theorytext