ANGULAR-DISTRIBUTIONS OF LOW-ENERGY BETA-RAYS EMITTED FROM A SEALED SOURCE

被引：6
|
作者：
YAMAMOTO, H
NORIMURA, T
KATASE, A
机构：
[1] UNIV OCCUPAT & ENVIRONM HLTH, DEPT RADIAT BIOL & HLTH, KITAKYUSHU, FUKUOKA 807, JAPAN
[2] TOHWA UNIV, TOHWA INST SCI, FUKUOKA, FUKUOKA 815, JAPAN
来源：
APPLIED RADIATION AND ISOTOPES | 1994年 / 45卷 / 03期
关键词：
D O I：
10.1016/0969-8043(94)90045-0
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Angular distributions of beta-rays from a sealed standard source of C-14 are measured and found not to be isotropic. The anisotropy of the angular distribution is ascribed to the difference in the absorption of beta-rays in the source, which depends on the angle of emission. A simple method is developed for calculating the angular distributions by using the logarithmic relationship of the transmission for beta-rays against absorber thickness. The distributions obtained agree well with the experimental results.
引用
收藏
页码：317 / 323
页数：7
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