2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/48723The phenomenological model of an extra U(1) neutral gauge Z' boson coupled to heavy quarks is presented. In particular, we discuss the probability for a light $Z_{2}$ mass eigenstate decay into a bound state composed of heavy quarks via Higgs boson emission.7 pages, 1 table, no figures, LaTeXHigh Energy Physics - Phenomenologytext