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arXiv · 1603.07169

A data analysis method for isochronous mass spectrometry using two time-of-flight detectors at CSRe

Xing Xu·Meng Wang·Peng Shuai·Rui-Jiu Chen·Xin-Liang Yan·Yu-Hu Zhang·You-Jin Yuan·Hu-Shan Xu·Xiao-Hong Zhou·Yuri A. Litvinov·Sergey Litvinov·Xiao-Lin Tu·Xiang-Cheng Chen·Chao-Yi Fu·Wen-Wen Ge·Zhuang Ge·Xue-Jing Hu·Wen-Jia Huang·Da-Wei Liu·Yuan-Ming Xing·Qi Zeng·Wei Zhang
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Abstract

The concept of isochronous mass spectrometry (IMS) applying two time-of-flight (TOF) detectors originated many years ago at GSI. However, the corresponding method for data analysis has never been discussed in detail. Recently, two TOF detectors have been installed at CSRe and the new working mode of the ring is under test. In this paper, a data analysis method for this mode is introduced and tested with a series of simulations. The results show that the new IMS method can significantly improve mass resolving power via the additional velocity information of stored ions. This improvement is especially important for nuclides with Lorentz factor $γ$-value far away from the transition point $γ_t$ of the storage ring CSRe.

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Xing Xu, Meng Wang, Peng Shuai, Rui-Jiu Chen, Xin-Liang Yan, Yu-Hu Zhang, You-Jin Yuan, Hu-Shan Xu, Xiao-Hong Zhou, Yuri A. Litvinov, Sergey Litvinov, Xiao-Lin Tu, Xiang-Cheng Chen, Chao-Yi Fu, Wen-Wen Ge, Zhuang Ge, Xue-Jing Hu, Wen-Jia Huang, Da-Wei Liu, Yuan-Ming Xing, Qi Zeng, Wei Zhang. 2016-03-21. A data analysis method for isochronous mass spectrometry using two time-of-flight detectors at CSRe. https://doi.org/10.1088/1674-1137%2F39%2F10%2F106201

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