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2篇 您的检索式:作者名="Litvinov Yuri"
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1A data analysis method for isochronous mass spectrometry using two time-of-flight detectors at CSRe显示文摘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 γt of the storage ring CSRe.徐星 王猛 帅鹏 陈瑞九 颜鑫亮 张玉虎 原有进 徐瑚珊 周小红 Yuri A.Litvinov Sergey Litvinov 涂小林 陈相成 付超义 葛文文 葛壮 胡雪静 黄文嘉 刘大委 邢元明 曾奇 章卫 2015Chinese Physics C2015,39,10:1
22-8 SimCSR Program for the Simulation of the Isochronous Mass Spectrometry at the HIRFL-CSR显示文摘Until now, several isochronous mass spectrometry (IMS) experiments have been successfully performed usingvarious primary beams at the HIRFL-CSR and masses of both proton-rich and proton-deficient exotic nuclei havebeen measured. In order to improve the performance of the IMS experiments and to provide a reliable tool fordesigning and preparing the future experiments, a simulation code, named SimCSR is developed.Presently, six-dimension phase-space linear transmission theory is applied to simulate the transmission of ionsin the experimental storage ring (CSRe). The basic algorithm is Bf = MBi. The Bi and Bf are six-dimensionphase-space vectors of ions at the entrance and exit of each element of the CSRe lattice, respectively. M is a6-by-6-dimension first-order transfer matrix of each element. M is calculated using formulas described in Ref.[1]. Inthe simulations, the ring lattice is considered in detail, and the same magnetic setting as in our previous experimentwith 58Ni projectile fragments[2] is considered. The ions are assumed to circulate 300 turns inside the CSRe.Chen Ruijiu Yuan Youjin Wang Meng Xu Xing Shuai Peng Zhang Yuhu Yan Xinliang Xing Yuanming Xu Hushan Zhou Xiaohong Litvinov Yuri Litvinov Sergy Chen Xiangcheng Fu Chaoyi Ge Wenwen Ge Zhuang Hu Xuejing Huang Wenjia Liu Dawei Zeng Qi Zhang Wei 2014IMP & HIRFL Annual Report2014,,1:0
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