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Mass Stopping Power and Range of Alpha Particles in Biological Human Body (Water and Eye Lens Tissue)

DOI: 10.4236/oalib.1111081, PP. 1-18

Subject Areas: Nuclear Technology, Radiology, Nuclear Physics, Applied Physics

Keywords: Human Body Tissues, Alpha Particles, MATLAB, Mass Stopping Power, Range

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Abstract

We used the MATLAB Program to calculate the mass stopping power and range of alpha particles in biological human body tissues (such as water and the eye lens tissues) at energies between 0.2 and 200 MeV. The Bethe Block formula was used to calculate the mass stopping power, and the simple integration (continuous slowing down approximation) method was used to calculate the alpha particle ranges. Empirical formulae were developed to determine mass-stopping power and ranges of water and eye lens tissues. The results of graphing the mass-stopping power versus energy and range versus energy are presented, and compared the ASTAR (Alpha Stopping Power and Range) results with the present results for the mass-stopping powers and ranges of water. The results indicated remarkable agreement, particularly for energies that extend from 2 to 200 MeV, with a percentage deviation error of 4.81% - 6.39%. A graphical representation of the mass stopping power of water and eye lens tissue with their compositions is also provided. In addition, various radiation parameters essential in cancer treatment, such as absorbed dose, equivalent dose, effective dose, alpha particle depth, and linear energy transfer, are computed in this study.

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Alshibel, A. and Osman, K. T. (2024). Mass Stopping Power and Range of Alpha Particles in Biological Human Body (Water and Eye Lens Tissue). Open Access Library Journal, 11, e1081. doi: http://dx.doi.org/10.4236/oalib.1111081.

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