Energy Deposition at the Bone-Tissue Interface from Nuclear Fragments Produced by High-energy Nucleons

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Abstract
The transport of nuclear fragmentation recoils produced by high-energy nucleons in the region of the bone-tissue interface is considered. Results for the differential flux and absorbed dose for recoils produced by 1-GeV protons are presented in a bidirectional transport model. The energy deposition in marrow cavities is seen to be enhanced by recoils produced in bone. Approximate analytic formulae for absorbed dose near the interface region are also presented for a simplified range-energy model.