Average Energy Loss Measured in Single and Double Electron Capture Collisions of He2+ on Ar at Low Velocities
LI Bin1,2 , MA Xin-Wen1 , ZHU Xiao-Long1,2 , LIU Hui-Ping1 , ZHANG Shao-Feng1,2 , QIAN Dong-Bin1,2 , CHEN Lan-Fang1,2 , FENG Wen-Tian1,2 , CAO Shi-Ping1,2 , SHA Shan1 , ZHANG Da-Cheng1,2
1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000
2 Graduate School of Chinese Academy of Sciences, Beijing 100049
Average Energy Loss Measured in Single and Double Electron Capture Collisions of He2+ on Ar at Low Velocities
LI Bin1,2 ;MA Xin-Wen1 ;ZHU Xiao-Long1,2 ;LIU Hui-Ping1 ;ZHANG Shao-Feng1,2 ;QIAN Dong-Bin1,2 ;CHEN Lan-Fang1,2 ;FENG Wen-Tian1,2 ;CAO Shi-Ping1,2 ;SHA Shan1 ;ZHANG Da-Cheng1,2
1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000
2 Graduate School of Chinese Academy of Sciences, Beijing 100049
关键词 ：
34.50.Bw ,
34.70.+e ,
34.50.s
Abstract ： Employing the recoil ion momentum spectroscopy we investigate the collision between He2+ and argon atoms. By measuring the recoil longitudinal momentum the energy losses of projectile are deduced for capture reaction channels. It is found that in most cases for single- and double-electron capture, the inner electron in the target atom is removed, the recoil ion is in singly or multiply excited states (hollow ion is formed), which indicates that electron correlation plays an important role in the process. The captured electrons prefer the ground states of the projectile. It is experimentally demonstrated that the average energy losses are directly related to charge transfer and electronic configuration
Key words ：
34.50.Bw
34.70.+e
34.50.s
出版日期: 2006-06-01
引用本文:
LI Bin;MA Xin-Wen;ZHU Xiao-Long;LIU Hui-Ping;ZHANG Shao-Feng;QIAN Dong-Bin;CHEN Lan-Fang;FENG Wen-Tian;CAO Shi-Ping;SHA Shan;ZHANG Da-Cheng;. Average Energy Loss Measured in Single and Double Electron Capture Collisions of He2+ on Ar at Low Velocities[J]. 中国物理快报, 2006, 23(6): 1452-1455.
2+ on Ar at Low Velocities. Chin. Phys. Lett., 2006, 23(6): 1452-1455.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I6/1452
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