2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/190889We study the possibility to influence the lifetime of nuclear isomeric states with the aid of incident fluxes of photons. We assume that a nucleus initially in an isomeric state |i> first absorbs an incident photon of energy E_{ni} to reach a higher intermediate state |n>, then the state |n> decays to a lower state |l>. In favorable cases the two-step induced emission rates become equal to the natural isomeric decay rates for incident power densities of the order of 10^{10} W cm^{-2}.11 pages, 1 eps figureNuclear Experimenttext