2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39967Contribution from new gauge bosons in the 3 - 3 - 1 models to the anomalous magnetic moment of the muon, mass difference of the kaon system and rare kaon decay are calculated and numerically estimated. Bounds on masses of new gauge bosons: bileptons and Z' are derived.Latex, 10 pages, 2 figures, axodraw.sty used, Talk given at the 4-th Rencontres du Vietnam, 19 -25 July, 2000High Energy Physics - Phenomenologytext