An assessment of transport coefficient approximations used in galactic heavy ion shielding calculations

Details An assessment of transport coefficient approximations used in galactic heavy ion shielding calculations An assessment of transport coefficient approximations used in galactic heavy ion shielding calculations

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986atca.rept.....t&link_type=abstract

Unknown

Computer Science

Galactic Radiation, Heavy Ions, Ion Beams, Radiation Shielding, Transport Properties, High Energy Interactions, Neon Isotopes, Radiation Dosage, Scattering Cross Sections

Scientific paper

An energy-dependent, perturbation expansion solution for heavy ion transport in one dimension is used to perform depth-dose calculations for 670/MeV nucleon Ne-20 beams incident upon a thick water target. Comparisons of predictions obtained by using typical energy-independent approximations and those obtained with fully energy-dependent input parameters are made. It is found that the calculated doses are underestimated when the energy-independent input approximations are used. The major source of error, however, is the lack of charge and mass conservation in the Silberberg-Tsao fragmentation parameters.

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