2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/109904A generalized Faddeev-Niemi ansatz for the gluon field is discussed. In its simplest parametrization, the ansatz allows a solution of the classical SU(3) Yang-Mills equations. From these solutions a confining potential for heavy quarkonia is defined. The investigation of charmonium spectra proves that the potential is able to reproduce the experimental spectra at the level of 3%. Moreover, charmonium leptonic and strong decays are investigated. The results are in fair agreement with experimental figures and are in line with other quark model calculations.Substantial rewritingHigh Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext