2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179586Assuming that perturbative QCD is the dominant explanation for the narrowness of the vector quarkonia, we perform a $χ^2$ minimization analysis of their hadronic decays as a function of two parameters, the mass of the gluino and the value of $α_3(M_Z)$. A value below 1 GeV for the gluino mass is strongly preferred. Consequences for SUSY breaking scenarios are discussed.(15 pages (if not reduced), 7 figures not included), UAHEP924High Energy Physics - Phenomenologytext