Activity determination without tracers in high-resolution alpha-particle spectrometry

被引：5
|
作者：
Pollanen, Roy [1 ]
Siiskonen, Teemu [1 ]
Ihantola, Sakari [1 ]
Toivonen, Harri [1 ]
Pelikan, Andreas [2 ]
Inn, Kenneth [3 ]
La Rosa, Jerome [3 ]
Bene, Balazs [3 ]
机构：
[1] STUK Radiat & Nucl Safety Author, Helsinki 00881, Finland
[2] Dienstleitungen Automat Datenverarbeitung & Infor, Osterreich, Austria
[3] NIST, Ionizing Radiat Div, Radioact Grp, Gaithersburg, MD 20899 USA
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2011年 / 290卷 / 03期
关键词：
Alpha spectrometry; Spectrum unfolding; Tracer; Plutonium; SIMULATION; CODE;
D O I：
10.1007/s10967-011-1379-1
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
High-resolution alpha spectrometry was applied for the activity determination of 10 reference sources containing different amounts of (238)Pu, (239)Pu, (240)Pu and (242)Pu. They were analyzed as blind sources using a novel spectrum analysis tool ADAM. The information needed in the spectrum unfolding was taken only from the spectrum under investigation, and no tracers were applied. Therefore, a Monte Carlo program AASI was used to compute geometrical detection efficiency of the measurement setup. All reported activities corresponded to those of the reference sources within expanded uncertainty. The developed tools can be used for the activity determination in nondestructive alpha spectrometry or when the radionuclide composition does not change during the sample processing.
引用
收藏
页码：551 / 555
页数：5
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