Abstract
To assist in the evaluation of the hazard associated with exposure to high-energy neutrons or protons, a series of Monte Carlo computer programs were used to calculate the energy deposition that results from high-energy incident nucleons as a function of depth in a slab of tissue. The programs included nonelastic and elastic interactions, as well as evaporation processes and nuclear recoils. A 30 cm thick infinite slab of tissue was treated and cases of normal and isotropic incidence of 400-, 300-, 200-, 100- and 60-MeV protons and neutrons were computed. From these data current-to-dose conversion factors were extracted for the average-whole-body, the 5 cm depth, the surface and the maximum doses. A set of quality factors ( QF's) was adopted for transforming rad dose to rem dose, but detailed energy-deposition data are also presented so that any preferred set of QF's can be used to obtain estimates of the rem dose.
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