2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/197659It is shown that several effects are responsible for deviations of the intensity distributions from the Porter-Thomas law. Among these are genuine symmetry breaking, such as isospin; the nature of the transition operator; truncation of the Hilbert space in shell model calculations and missing transitions8 pages, 3 figuresNuclear Theorytext