2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42996We study the mass of the ground state of Qqq system using differents regularization schemes of the relativistic integral equation obtnaide with a flavor independente contact interaction in a QCD-inspired model. We calculated the masses of the spin 1/2 low-lying states of the $Λ^0$, $Λ^{+}_c$ and $Λ_{b}^{0}$ for differentes values of the regularization cut-off parameter with a fixed nucleon mass. Our results are remarkable agreement with the experimental data.4 Pages, 3 figures, use cernrp.cls style. Contribution to "Light-Cone Workshop: Hadrons and Beyond", Durham, 2003High Energy Physics - PhenomenologyNuclear Theorytext