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

被引：0
|
作者：
Roy Pöllänen
Teemu Siiskonen
Sakari Ihantola
Harri Toivonen
Andreas Pelikan
Kenneth Inn
Jerome La Rosa
Balazs Bene
机构：
[1] STUK-Radiation and Nuclear Safety Authority,Ionizing Radiation Division
[2] Dienstleitungen in der automatischen Datenverarbeitung und Informationstechnik,undefined
[3] Radioactivity Group,undefined
[4] NIST,undefined
来源：
Journal of Radioanalytical and Nuclear Chemistry | 2011年 / 290卷
关键词：
Alpha spectrometry; Spectrum unfolding; Tracer; Plutonium;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
High-resolution alpha spectrometry was applied for the activity determination of 10 reference sources containing different amounts of 238Pu, 239Pu, 240Pu and 242Pu. 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.
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页码：551 / 555
页数：4
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