210Pb activity by detection of bremsstrahlung in 210Bi β-decay

被引：5
|
作者：
Nachab, A. [1 ]
Hubert, Ph [2 ]
机构：
[1] Univ Strasbourg, CNRS, IN2P3, IPHC,UMR 7178, F-67037 Strasbourg 2, France
[2] Univ Bordeaux 1, CNRS, IN2P3, Ctr Etud Nucl Bordeaux Gradignan,UMR 5797, F-33175 Gradignan, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2012年 / 274卷
关键词：
gamma-Spectrometry; Lead shield; Pb-210; Bi-210; Bremsstrahlung;
D O I：
10.1016/j.nimb.2011.11.020
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A method for the determination of the Pb-210 activity by HPGe spectrometry is proposed, consisting of measuring the bremsstrahlung generated in a sample by Bi-210 beta-emission (1.16 MeV). The detection efficiency is evaluated by GEANT3 simulation and is compared with experiment. A detection limit of 600 mBq was obtained. This technique has been used to select low background detector materials and lead shielding. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：188 / 190
页数：3
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