2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40192The axial-vector couplings of the internediate bosons with fermions lead to the prediction of three very heavy spin-0 states in the SM, whose masses are about 10^{14}GeV. If these states on mass shell there are problems of negative probability. A new perturbation theory of the SM is proposed.33 pagesHigh Energy Physics - Phenomenologytext