Coulomb effects in low-energy nuclear fragmentation

Details Coulomb effects in low-energy nuclear fragmentation Coulomb effects in low-energy nuclear fragmentation

Aug 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993stin...9412434w&link_type=abstract

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Mathematics

Coulomb Collisions, Extraterrestrial Radiation, Nuclear Models, Nuclear Reactions, Particle Trajectories, Energy Dissipation, Fragmentation, Mathematical Models

Scientific paper

Early versions of the Langley nuclear fragmentation code NUCFRAG (and a publicly released version called HZEFRG1) assumed straight-line trajectories throughout the interaction. As a consequence, NUCFRAG and HZEFRG1 give unrealistic cross sections for large mass removal from the projectile and target at low energies. A correction for the distortion of the trajectory by the nuclear Coulomb fields is used to derive fragmentation cross sections. A simple energy-loss term is applied to estimate the energy downshifts that greatly alter the Coulomb trajectory at low energy. The results, which are far more realistic than prior versions of the code, should provide the data base for future transport calculations. The systematic behavior of charge-removal cross sections compares favorably with results from low-energy experiments.

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