Improvement on AMS Measurement of 236U at CIAE

被引：2
|
作者：
Wang Xiang-Gao [1 ,2 ]
He Ming [1 ]
Dong Ke-Jun [1 ]
Jiang Shan [1 ]
机构：
[1] China Inst Atom Energy, Beijing 102413, Peoples R China
[2] Guangxi Univ, Coll Phys Sci & Technol, Nanning 530004, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2012年 / 29卷 / 08期
基金：
中国国家自然科学基金;
关键词：
ACCELERATOR MASS-SPECTROMETRY;
D O I：
10.1088/0256-307X/29/8/080701
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In order to improve the detection efficiency and sensitivity for U-236 measurement at China Institute of Atomic Energy (CIAE) accelerator mass spectrometry (AMS) system to meet the requirement of some applications, we present some new improvements of the measurement method for AMS measurement of U-236 at CIAE AMS. The main features of the method include: (i) measurement optimization; (ii) improvement of the TOF time resolution similar to 500 ps. Based on these improvements, the sensitivity is similar to 10 (11) for U-236/U-238 in the present work, higher than before (U-236/U-238 similar to 5 x 10(-10)).
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页数：5
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