2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/47246In this thesis we show that the effective Lagrangian models, encoding the relevant symmetries of the underlying fundamental gauge theory for strong interactions (QCD), provide a reasonable understanding of the interactions among Light Mesons at intermediate energies as well as of the properties of Heavy Baryons.PhD Thesis at Syracuse Univ. USA, 159 pages (LaTeX), 30 PostScript Figures are included as tar.Z compressed fileHigh Energy Physics - PhenomenologyHigh Energy Physics - Theorytext