A pilot experiment for mass measurement at CSRe

TU Xiao-Lin; XU Hu-Shan; XIA Jia-Wen; WANG Meng; MAO Rui-Shi; YUAN You-Jin; HU Zheng-Guo; LIU Yong; ZHANG Hong-Bin; ZANG Yong-Dong; ZHAO Tie-Cheng; ZHANG Xue-Ying; FU Fen; YANG Jian-Cheng; MAO Li-Jun; XIAO Chen; XIAO Guo-Qing; ZHAO Hong-Wei; ZHAN Wen-Long

doi:10.1088/1674-1137/33/7/003

Chinese Physics C> 2009, Vol. 33> Issue(7) : 516-520 DOI: 10.1088/1674-1137/33/7/003

A pilot experiment for mass measurement at CSRe

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Abstract：
A pilot experiment of mass measurement was performed at CSRe with the method of isochronous mass spectrometry. The secondary fragments produced via RIBLL2 with the primary beam of 400 MeV/u ³⁶Ar delivered by CSRm were injected into CSRe. The revolution periods of the stored ions, which depend on the mass-to-charge ratios of the stored ions, were measured with a time-of-flight detector system. The results show that the mass resolution around 8×10^－6 for Δm/m is achieved.

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TU Xiao-Lin, XU Hu-Shan, XIA Jia-Wen, WANG Meng, MAO Rui-Shi, YUAN You-Jin, HU Zheng-Guo, LIU Yong, ZHANG Hong-Bin, ZANG Yong-Dong, ZHAO Tie-Cheng, ZHANG Xue-Ying, FU Fen, YANG Jian-Cheng, MAO Li-Jun, XIAO Chen, XIAO Guo-Qing, ZHAO Hong-Wei and ZHAN Wen-Long. A pilot experiment for mass measurement at CSRe[J]. Chinese Physics C, 2009, 33(7): 516-520. doi: 10.1088/1674-1137/33/7/003

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Received: 2008-10-27
Revised: 2009-01-12

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