Verification of heavy ion dose distributions using thermoluminescent detectors

被引：23
|
作者：
Geiss, OB [1 ]
Krämer, M [1 ]
Kraft, G [1 ]
机构：
[1] GSI Biophys, D-64291 Darmstadt, Germany
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1998年 / 146卷 / 1-4期
关键词：
heavy charged particles; thermoluminescent detectors; thermoluminescence efficiency; TLD-700; radiation dosimetry;
D O I：
10.1016/S0168-583X(98)00465-0
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The efficiency of thermoluminescent detectors (TLD) to heavy charged particles strongly depends on the atomic number and energy. Therefore in a mixed particle field absolute dosimetry depends strongly on the knowledge of the efficiency. We developed a model to calculate the efficiency as a function of projectile atomic number and energy. Using this efficiency tables the detector signal at any position of a mixed heavy ion radiation held can be calculated. The 3-dimensional dose distribution then can be verified by a comparison of the calculated and measured detector signal. Experiments using a C-12 beam are presented. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：541 / 544
页数：4
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