An image-based skeletal model for the ICRP reference adult male-specific absorbed fractions for neutron-generated recoil protons

被引：3
|
作者：
Jokisch, D. W. [1 ]
Rajon, D. A. [2 ]
Bahadori, A. A. [3 ]
Bolch, W. E. [3 ]
机构：
[1] Francis Marion Univ, Dept Phys & Astron, Florence, SC 29502 USA
[2] Univ Florida, Dept Neurosurg, Gainesville, FL USA
[3] Univ Florida, Dept Biomed Engn, Gainesville, FL USA
来源：
PHYSICS IN MEDICINE AND BIOLOGY | 2011年 / 56卷 / 21期
关键词：
BETA-PARTICLE EMITTERS; DOSE FACTORS; TRABECULAR BONE; DOSIMETRY; TISSUES;
D O I：
10.1088/0031-9155/56/21/007
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Recoiling hydrogen nuclei are a principle mechanism for energy deposition from incident neutrons. For neutrons incident on the human skeleton, the small sizes of two contrasting media (trabecular bone and marrow) present unique problems due to a lack of charged-particle (protons) equilibrium. Specific absorbed fractions have been computed for protons originating in the human skeletal tissues for use in computing neutron dose response functions. The proton specific absorbed fractions were computed using a pathlength-based range-energy calculation in trabecular skeletal samples of a 40 year old male cadaver.
引用
收藏
页码：6857 / 6872
页数：16
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