2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39641The comparison of magnetic moments of neutron and proton reveals three possible states of a nucleon with the same correction of 0.033 for the central quarks. This may be interpreted as the contribution of a universal coupling as the common value where all the running couplings unite.2 pagesHigh Energy Physics - Phenomenologytext