THE INFLUENCE OF RECOIL LOSSES IN SUBSEQUENT ALPHA-DECAY ON THE DETERMINATION OF ALPHA-BRANCHING RATIOS

被引：8
|
作者：
WAUTERS, J
DECROCK, P
DENDOOVEN, P
HUYSE, M
LIEVENS, P
REUSEN, G
VANDUPPEN, P
机构：
[1] LISOL, Instituut voor Kern- en Stralingsfysica, K. U. Leuven, B-3001 Leuoen
[2] CERN, Geneva
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1991年 / 61卷 / 02期
关键词：
D O I：
10.1016/0168-583X(91)95458-P
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The fraction of daughter nuclei that recoil out of the catcher foil after-alpha-decay of mass-separator implanted mother nuclei is determined experimentally and compared with calculations. The correction that has to be applied on the alpha-branching ratio, obtained by comparing the mother and daughter activity in one-alpha-detector, is at least 20%. Previously published branching ratios can be wrong due to the underestimation of the correction procedure. As an example, the Rn-202 --> Po-198 --> Pb-194 decay chain is studied.
引用
收藏
页码：178 / 182
页数：5
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