2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/161972We propose to use the branching ratio of channels of free-space hadron-nucleon interaction as a test in the construction and verification of the models of complicated processes in the nuclei. The particle self-energy and amplitudes of subprocesses are studied as well.9 latex pages, 3 figsNuclear Theorytext