2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/198031We study the hyperfine mass differences of heavy hadrons in the heavy quark effect theory (HQET). The effects of one-gluon exchange interaction are considered for the heavy mesons and baryons. Base on the known experimental data, we predict the masses of some heavy baryons in a model-independent way.14 pages, 1 figureHigh Energy Physics - Phenomenologytext