کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9953548 1518589 2018 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Range versus density dependence of proton-therapy beams in human tissues
ترجمه فارسی عنوان
محدوده در مقایسه با تراکم وابستگی پرتوهای پروتون در بافت های انسانی
موضوعات مرتبط
مهندسی و علوم پایه مهندسی مواد سطوح، پوشش‌ها و فیلم‌ها
چکیده انگلیسی
Range versus density dependence of proton-therapy beams in human tissues is discussed in the paper. The main attention is paid to energy-scaling of simple fitting functions that fit the range-to-density dependence for single proton-beam energies. These functions have been found by fitting ranges obtained with the aid of the Monte Carlo module of SRIM2013. The simulations have been run for 28 human tissues at 8 energies from 60 MeV to 220 MeV. It has been shown that a fitting function that depends solely on the target density can be found at each proton-beam energy. After the energy-scaling, the fitted ranges have been compared with the Monte Carlo ranges. We conclude that the final energy-scaled fitting function provides ranges within 0.4% of the Monte Carlo range (on average), which is less than 30% of the natural range-straggling (1.4% of the Monte Carlo range on average). The worst data-point has an off-set from the fitting function less than 1.7% of the Monte Carlo range.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms - Volume 434, 1 November 2018, Pages 37-44
نویسندگان
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