Photon attenuation parameters for some tissues from Geant4 simulation, theoretical calculations and experimental data: a comparative study

被引：15
|
作者：
Arslan, Halil [1 ]
机构：
[1] Sakarya Univ Appl Sci, Elect & Elect Engn, Sakarya, Turkey
来源：
NUCLEAR SCIENCE AND TECHNIQUES | 2019年 / 30卷 / 06期
关键词：
Attenuation coefficient; Effective atomic number; Geant4; simulation; Tissue model; EFFECTIVE ATOMIC NUMBERS; ENERGY-ABSORPTION COEFFICIENTS; MASS ATTENUATION; DOSIMETRIC MATERIALS; ELECTRON-DENSITIES; SHIELDING PROPERTIES; NANO-PARTICLES; XCOM PROGRAM; SUBSTITUTES; EQUIVALENT;
D O I：
10.1007/s41365-019-0617-z
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Mass attenuation coefficients, effective atomic numbers, effective electron densities and Kerma relative to air for adipose, muscle and bone tissues have been investigated in the photon energy region from 20 keV up to 50 MeV with Geant4 simulation package and theoretical calculations. Based on Geant4 results of the mass attenuation coefficients, the effective atomic numbers for the tissue models have been calculated. The calculation results have been compared with the values of the Auto-Zeff program and with other studies available in the literature. Moreover, Kerma of studied tissues relative to air has been determined and found to be dependent on the absorption edges of the tissue constituent elements.
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页数：10
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