Influence of an electret on the sensitivity of CR-39 nuclear track detector in diffusion chamber

被引：2
|
作者：
Nikezic, D. [1 ]
Krstic, D. [1 ]
机构：
[1] Univ Kragujevac, Fac Sci, Kragujevac, Serbia
来源：
INDIAN JOURNAL OF PHYSICS AND PROCEEDINGS OF THE INDIAN ASSOCIATION FOR THE CULTIVATION OF SCIENCE | 2009年 / 83卷 / 06期
关键词：
Diffusion chamber; nuclear track detector; electret; sensitivity; RADON; RN-222;
D O I：
10.1007/s12648-009-0039-6
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Cylindrical diffusion chamber for radon measurement equipped with nuclear track detector(CR-39) and electret is considered in this work. Electret is electrostatic analogous of permanent magnet which preserves constant and strong electric field for long time period. Electrets were used to attract radon progeny formed in a cup where CR-39 was placed for radon measurements. In this way the sensitivity of detector could be increased by bringing progeny just in front of detector in more convenient measuring geometry. Influence of distance between electret and detector on sensitivity of such equipment has been investigated theoretically. Different geometrical setups of detector and electret were tested in order to optimize this kind of device. Some results are presented in this report.
引用
收藏
页码：851 / 855
页数：5
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