2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45171It is shown that a simple breaking of the subnuclear democracy leads to a successful description of the mixing between the second and third family. In the lepton channel the $ν_{μ} - ν_{τ}$ oscillations are expected to be described by a mixing angle of $2.65^ {\circ }$ which might be observed soon in neutrino experiments.9 pages, report MPI-PHT/94-29High Energy Physics - Phenomenologytext