Chin. Phys. Lett.  2011, Vol. 28 Issue (7): 070703    DOI: 10.1088/0256-307X/28/7/070703
GENERAL |
AMS Measurement of 53Mn at CIAE
DONG Ke-Jun1, HE Ming1, LI Chao-Li1, HU Hao1, LIU Guang-Shan2, CHEN Zhi-Gang2, LI Zhen-Yu1, WU Shao-Yong1, LIU Jian-Cheng1, YOU Qu-Bo1, JIN Chun-Sheng1, WANG Xiang-Gao3, SHEN Hong-Tao4, GUAN Yong-Jing3, YUAN Jian1, JIANG Shan1**
1 China Institute of Atomic Energy, P.O. Box 275(50), Beijing 102413
2 College of Oceanography and Environmental Science, Xiamen University, Xiamen 361005
3 College of Physics Science and Technology, Guangxi University, Nanning 530004
4 College of Physics and Technology, Guangxi Normal University, Guilin 541004
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DONG Ke-Jun, HE Ming, LI Chao-Li et al  2011 Chin. Phys. Lett. 28 070703
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Abstract The long-lived isotope 53Mn cosmogenically produced in situ is a very useful indicator for geochronological dating. A new 53Mn accelerator−mass-spectrometry (AMS) measurement method is developed based on the HI-13 Tandem Accelerator and ΔE−Q3D detection system at China Institute of Atomic Energy. The performance of 53Cr isobar separation and suppression is tested by a series of 53Mn standards and commercial MnO samples. The results show that the ΔE−Q3D detection system brought about an overall suppression factor of more than 107 for the interfering isobar 53Cr.
Keywords: 07.75.+h      29.90.+r     
Received: 01 April 2011      Published: 29 June 2011
PACS:  07.75.+h (Mass spectrometers)  
  29.90.+r (Other topics in elementary-particle and nuclear physics experimental methods and instrumentation?)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/28/7/070703       OR      https://cpl.iphy.ac.cn/Y2011/V28/I7/070703
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DONG Ke-Jun
HE Ming
LI Chao-Li
HU Hao
LIU Guang-Shan
CHEN Zhi-Gang
LI Zhen-Yu
WU Shao-Yong
LIU Jian-Cheng
YOU Qu-Bo
JIN Chun-Sheng
WANG Xiang-Gao
SHEN Hong-Tao
GUAN Yong-Jing
YUAN Jian
JIANG Shan
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