Environmental dosimetry using high-sensitivity TL detectors

被引：7
|
作者：
Katona, T.
Osvay, M.
Deme, S.
Kovacs, A.
机构：
[1] Hungarian Acad Sci, Inst Isotopes, H-1525 Budapest, Hungary
[2] Hungarian Acad Sci, Atom Energy Res Inst, H-1525 Budapest, Hungary
来源：
RADIATION PHYSICS AND CHEMISTRY | 2007年 / 76卷 / 8-9期
关键词：
Thermoluminescence; low and high LET radiations; Al2O3 : C; CaSO4 : Tm dosimeters;
D O I：
10.1016/j.radphyschem.2007.02.062
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Two highly sensitive thermoluminescent (TL) materials (Al2O3:C and CaSO4:Tm) were investigated for environmental monitoring. We compared their response to low and to high linear energy transfer (LET) radiations in order to develop a two-element TL system. The relative TL efficiency for alpha-particle irradiation as compared to gamma-exposure was about 0.04 and 0.5 for Al2O3:C and CaSO4:Tm, respectively. Measurements of external environmental radiation doses in an international balloon experiment were performed with our highly-sensitive TL system having various sensitivities to low and to high LET radiations. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1511 / 1514
页数：4
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