Measurement of beta-plus emitters by gamma-ray spectrometry

被引：15
|
作者：
Lepy, Marie-Christine [1 ]
Cassette, Philippe [1 ]
Ferreux, Laurent [1 ]
机构：
[1] CEA, LIST, Lab Natl Henri Becquerel LNE, F-91191 Gif Sur Yvette, France
来源：
APPLIED RADIATION AND ISOTOPES | 2010年 / 68卷 / 7-8期
关键词：
Beta-plus emitter; (22)Na; (65)Zn; (64)Cu; Annihilation in-flight; Monte Carlo simulation; CU-64;
D O I：
10.1016/j.apradiso.2009.11.064
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The activity measurement of beta-plus emitters by gamma-ray spectrometry is studied. Experimental measurements are performed with (22)Na, (65)Zn and (64)Cu with sources included in a lead container. For these nuclides, the activity can be derived both from one photon emission peak and from the 511 keV annihilation peak, including annihilation in-flight correction and geometry correction computed by Monte Carlo simulation. The activity values obtained using the two types of peaks show satisfying agreement The extension of the method to volume sources is discussed. (C) 2009 Elsevier Ltd All rights reserved
引用
收藏
页码：1423 / 1427
页数：5
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