Improvement on AMS measurement method for 182Hf

被引：5
|
作者：
Tuo, Fei [1 ,2 ]
Ruan, Xiangdong [3 ]
He, Ming [1 ]
Wu, Shaoyong [1 ]
Wang, Wei [1 ]
Hu, Yueming [1 ]
Bao, Yiwen [1 ]
Ouyang, Yinggen [4 ]
You, Qubo [1 ]
Dou, Yuling [1 ]
He, Guozhu [1 ]
Jiang, Shan [1 ]
机构：
[1] China Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China
[2] China CDC, Natl Inst Radiol Protect, Beijing 100088, Peoples R China
[3] Guangxi Univ, Phys Sci & Engn Technol Dept, Nanning 530004, Peoples R China
[4] China Inst Atom Energy, Dept Radiochem, Beijing 102413, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2010年 / 268卷 / 7-8期
关键词：
Hf-182; Accelerator Mass Spectrometry (AMS); HfF4; Injector; Solid-phase reaction;
D O I：
10.1016/j.nimb.2009.10.028
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
In order to improve the detection efficiency and sensitivity for Hf-182 measurement in HI-13 AMS systems at China Institute of Atomic Energy (CIAE), a new method was developed. Main features of the method include: (1) the installation of a new injection system with high mass resolution, (2) the establishment of a method based on solid-phase reaction to prepare HfF4 samples from HfO2. The experimental results show that the, mass resolution (M/Delta M) of the new injector system can reach nearly 700; the beam current of (HfF5-)-Hf-180 ions from HfF4 samples produced by solid-phase reaction is about two times higher than that of previous method. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：776 / 778
页数：3
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