TRACK-STRUCTURE SIMULATIONS FOR CHARGED PARTICLES

被引：39
|
作者：
Dingfelder, Michael [1 ]
机构：
[1] E Carolina Univ, Dept Phys, Greenville, NC 27858 USA
来源：
HEALTH PHYSICS | 2012年 / 103卷 / 05期
关键词：
National Council on Radiation Protection and Measurements; electrons; Monte Carlo; radiation damage; CROSS-SECTIONS; LIQUID WATER; INELASTIC-SCATTERING; ELECTRON-EMISSION; MODEL; TRANSPORT; NOREC; CODES; FOILS;
D O I：
10.1097/HP.0b013e3182621292
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Monte Carlo track-structure simulations provide a detailed and accurate picture of radiation transport of charged particles through condensed matter of biological interest. Liquid water serves as a surrogate for soft tissue and is used in most Monte Carlo track-structure codes. Basic theories of radiation transport and track-structure simulations are discussed and differences compared to condensed history codes highlighted. Interaction cross sections for electrons, protons, alpha particles, and light and heavy ions are required input data for track-structure simulations. Different calculation methods, including the plane-wave Born approximation, the dielectric theory, and semi-empirical approaches are presented using liquid water as a target. Low-energy electron transport and light ion transport are discussed as areas of special interest. Health Phys. 103(5):590-595; 2012
引用
收藏
页码：590 / 595
页数：6
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