The absolute counting of 166mHo, 58Co and 88Y

被引：4
|
作者：
Yuan, MC [1 ]
Lee, JH [1 ]
Hwang, WS [1 ]
机构：
[1] Inst Nucl Energy Res, Div Hlth Phys, Lungtan 325, Taoyuan, Taiwan
来源：
APPLIED RADIATION AND ISOTOPES | 2002年 / 56卷 / 1-2期
关键词：
Ho-166m; Co-58; Y-88; absolute counting; comparison;
D O I：
10.1016/S0969-8043(01)00226-3
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
In this study, absolute 4pibeta-gamma-coincidence counting was used to measure the mass activity of Ho-116m, Co-58 and Y-88. For Ho-166m and Y-88, three gamma windows were set to study the systematic error caused by the different gamma window settings. To eliminate the effect arising from the large difference in counting efficiency of the 4pibeta counter between electron capture events and beta(+) particles, the two-dimensional extrapolation method was used to measure Co-58. The measurement results for the three nuclides were linked with the BIPM SIR through two APMP regional comparisons, APMP.RI(II)-K2. Ho-166m and APMP.RI(II)K2.Co-58, Y-88. Results are presented. (C) 2002 Elsevier Science Ltd. All rights reserved.
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收藏
页码：429 / 434
页数：6
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