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Investigation of ion-atom collision dynamics through imaging techniques

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Science china(physics,Mechanics & Astronomy) 2008年第7期51卷 755-764页

作者： ma xinwen zhu xiaolong liu huiping li bin zhang shaofeng CAO ShiPing FENG WenTian XU ShenYue institute of modern physics Chinese Academy of SciencesLanzhou 730000China Graduate University of chinese academy of sciences Beijing 100049China

The principle and technique details of recoil ion momentum imaging are discussed and summarized. The recoil ion momentum spectroscopy built at the institute of modern physics (lanzhou) is presented. The first results obtained at the setup are analyzed. For 30 keV He2+ on He collision, it is found that the capture of single electron occurs dominantly into the first excited states, and the related scattering angle results show that the ground state capture occurs at large impact parameters, while the capture into excited states occurs at small impact parameters. The results manifest the collision dynamics for the sub-femto-second process can be studied through the techniques uniquely. Finally, the future possibilities of applications of the recoil ion momentum spectroscopy in other fields are outlined.

关键词： imaging of recoil ion momentum collision dynamics state-selective cross section angular differential cross section

Experimental investigation of state-selective electron capture in C4+-He collisions

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Experimental investigation of state-selective electron captu...

Average Energy Loss Measured in Double Electron Capture Collisions of He^2＋ on Ar at Low Velocities

第七届存储粒子原子物理合作组织国际会议

作者： zhu xiaolong 1 ma xinwen 1 2 zhang shaofeng 1 Feng Wentian 1 liu huiping 1 Qian Dongbin 1 zhang Dacheng 1 2 Wen Weiqiang 1 2 zhang Pengju 1 2 Yan Shuncheng 1 2 and li bin 1 2.1.7} of modern physics chinese academy of sciences lanzhou 730000 china 2Graduate University of chinese academy of sciences Beijing 100049 china

＜正＞In last decade years,the state-selective charge transfer of highly charged ions with atom and molecules have become an extremely active fields of atomic/molecular physics since the cold target recoil ion momentum spectroscopy （COLTRIMS/reaction microscope）technique [1,2] was *** of the early theoretical and experimental works focused on the absolute cross ***,

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2006年第1期 109-110页

作者： li bin ma xinwen zhu xiaolong liu huiping zhang shaofeng Qian Dongbin Chen Lanfang FengWentian Cao Shiping Sha Shan zhang Dacheng

4 Atomic physics——4 - 1 Image of Emitted Electrons in Transfer Ionization in Proton-neon Collision at Intermediate Energy

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IMP & HIRFL Annual Report 2012年第1期 199-199,201页

作者： Feng Wentian ma xinwen zhu xiaolong zhang shaofeng liu huiping li bin Yan Shuncheng Xu Shenyue zhang Ruitian zhang Pengju Guo Dalong

Atomic physics—State-selective Single Electron Capture by O3d- Ions on He and H2

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IMP & HIRFL Annual Report 2011年第1期 173-173,175页

作者： zhu xiaolong ma xinwen zhang shaofeng Feng Wentian liu huiping Qian Dongbin zhang Daeheng li bin Wen Weiqiang zhang Pengju Yan Shuncheng Wang Qian Guo Dalong

Atomic physics—Status Report of 320 kV Platform for Multi-Discipline Research with Highly Charged Ions

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2009年第1期 187-187,189页

作者： ma xinwen li Jinyu liu huiping Sun liangting Song Mingtao zhu xiaolong Sha Shan Feng Wentian zhang Dacheng Gao Daqing Wang Pinzhi zhang shaofeng li bin Xiao Guoqing Zhao Hongwei Zhan Wenlong

Properties and Applications of Cold Supersonic Gas Jet

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2005年第1期 102-102页

作者： zhang shaofeng, ma xinwen, liu huiping, li bin and zhu xiaolong

Atomic and molecular beams are widely used nowadays in physics and chemistry experiments. The nozzle, or free-jet, molecular beam is a neutral beam extracted from an under-expanded, supersonic, continuum jet expansion from a high-pressure gas source into a low-pressure ambient background. The beam has many special properties which are exactly demanded in atom/molecular *** properly analyzing the formation mechanism of supersonic gas jet, the factors directly related to transverse

关键词：气体射流超音速应用性能化学实验分子束自由射流环境背景

A Progress Report of 320 kV Multi-discipline Research Platform for Highly Charged Ions

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2008年第1期 112-113页

作者： mao xinwen liu huiping Sun liangtin Song Mintao zhu xiaolong Sha Sha Feng Wentian zhang Dacheng li Jinyu Cao Daqin Wang Zhiguang Cai Xiaohong li Wenjian Wang Pinzhi ma lizhen man Kaidi zhang shaofeng li bin Xiao Guoqing Zhao Hongwei Zhan Wendong

Study on Ar2^＋ Cluster Formed in Supersonic Argon Jet

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近代物理研究所和兰州重离子加速器实验室年报：英文版 2006年第1期 102-102页

作者： zhang shaofeng ma xinwen li bin liu huiping zhu xiaolong Feng Wentian