2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53042In a string picture of hadrons, spins are distributed over the whole configuration of string. According to this picture, spin of hadron is discussed in a dual gravity theory of QCD, towards realistic mass formulae of hadrons including hyperfine interactions.To appear in the proceedings of 3rd International Workshop on New Developments of Integrated Sciences (Ochanomizu U.)High Energy Physics - Theorytext