Chin. Phys. Lett.  2012, Vol. 29 Issue (8): 080701    DOI: 10.1088/0256-307X/29/8/080701
GENERAL |
Improvement on AMS Measurement of 236U at CIAE
WANG Xiang-Gao1,2**, HE Ming1, DONG Ke-Jun1, JIANG Shan1**
1China Institute of Atomic Energy, Beijing 102413
2College of Physics Science and Technology, Guangxi University, Nanning 530004
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Abstract In order to improve the detection efficiency and sensitivity for 236U 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 236U at CIAE AMS. The main features of the method include: (i) measurement optimization; (ii) improvement of the TOF time resolution ~500 ps. Based on these improvements, the sensitivity is ~10?11 for 236U/238U in the present work, higher than before (236U/238U~5×10?10).
Received: 05 March 2012      Published: 31 July 2012
PACS:  07.75.+h (Mass spectrometers)  
  29.30.-h (Spectrometers and spectroscopic techniques)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/29/8/080701       OR      https://cpl.iphy.ac.cn/Y2012/V29/I8/080701
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