Range versus density dependence of proton-therapy beams in human tissues
作者： Márius Pavlovič , Milan Pavúk , Andreas Hammerle , Vladimír Nečas
DOI: 10.1016/J.NIMB.2018.08.011
关键词: Function (mathematics) 、 Computational physics 、 Proton therapy 、 Range (statistics) 、 Monte Carlo method 、 Stopping power (particle radiation) 、 Density dependence 、 Physics
摘要: Abstract Range versus density dependence of proton-therapy beams in human tissues is discussed the paper. The main attention paid to energy-scaling simple fitting functions that fit range-to-density for single proton-beam energies. These have been found by ranges obtained with aid Monte Carlo module SRIM2013. simulations run 28 at 8 energies from 60 MeV 220 MeV. It has shown a function depends solely on target can be each energy. After energy-scaling, fitted compared ranges. We conclude final energy-scaled provides within 0.4% range (on average), which less than 30% natural range-straggling (1.4% average). worst data-point an off-set 1.7% range.
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