2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/143506Masses of heavy baryons and tetraquarks are calculated in the relativistic quark model using the heavy-quark--light-diquark and diquark-antidiquark approximations, respectively.8 pages, Invited talk given at the XII International Conference on Hadron Spectroscopy (Hadron 07), Frascati, October 8-13, 2007High Energy Physics - Phenomenologytext