Cálculo de cascada intranuclear como primera etapa en el proceso de fisión nuclear inducida por fotones reales en un rango de energía entre 80 y 600 MeV

Abstract

In this work, a Monte Carlo code is implemented to determine the distribution of compound nuclei resulting from the interaction between real photons with energies up to 600 MeV and heavy nuclei (Th^{232},U^{233},U^{235},U^{238},Np^{237} ). The code implements the interaction between photons and nuclei based on the Fermi gas model and the intranuclear cascade model where only two photoabsorption processes are taken into account: quasi-deuterón \gamma+ (NN) \rightarrow N+N and one pion production \gamma+ (N) \rightarrow \pi +N. The products of the final state of these processes they can interact in turn within the nuclear environment giving rise to a cascade of particles, which, depending on how many and with what energy they escape from the nucleus, determine the final characteristics of the residual core. As a final result you then get a distribution (In excitation energy, number of nucleons and number of protons) of nuclei residual compounds whose possible mechanisms of de-excitation include, among others, fission nuclear