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
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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