2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179623The hyperfine mass splittings of baryons in large $N$ QCD are proved to be proportional to ${\bf J}^2$. Hyperfine mass splittings are first allowed at order $1/N$ in the $1/N$ expansion.(10 pages and 4 figures, uses harvmac and uufiles), UCSD/PTH 93-19High Energy Physics - Phenomenologytext