Abstract
In this research, the stopping power and range of protons in biological human soft and hard tissues (blood, brain, skeleton-cortical bone, and skin) of both child and adult are calculated at the energies ranging from 1MeV to 350 MeV. The data is collected from ICRU Report 46 and calculated the stopping power employing the Bethe formula. Moreover, the simple integration (continuous slowing down approximation) method is employed for calculating protons range at the target. Then, the stopping power and range of protons value in human tissues have been compared with the program called SRIM. Moreover, the results of the stopping power vs energy and the range vs energy have been presented graphically. Proper agreement is found between the gained and the SRIM results and varies almost linearly with energy up to 250 MeV.
Highlights
In recent years, the theoretical and experimental studies of the stopping power (SP) and range of charged particles have been increasing immensely in radiation physics
Scientists are working on the SP and range of protons in human tissues in order to improve proton therapy in medical physics [5]
The aim of this study is to show how ageing can be an affecting factor in order to determine the SP and range of protons energy
Summary
The theoretical and experimental studies of the stopping power (SP) and range of charged particles have been increasing immensely in radiation physics. The calculation of stopping power and range of protons plays an important role in proton and cancer therapy [1]. Precise knowledge of SP and range of protons are needed for the exact dosimetry of proton radiation [2,3,4]. When studying the SP and range of protons in a biological target, one must determine or collect data from experimentally or ICRU report. Scientists are working on the SP and range of protons in human tissues (skin, bone, blood, kidney, liver, brain, breast, etc.) in order to improve proton therapy in medical physics [5]
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