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Investigation of ion-atom collision dynamics through imaging techniques

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Abstract

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.

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Authors and Affiliations

  1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China

    XinWen Ma, XiaoLong Zhu, HuiPing Liu, Bin Li, ShaoFeng Zhang, ShiPing Cao, WenTian Feng & ShenYue Xu

  2. Graduate University of Chinese Academy of Sciences, Beijing, 100049, China

    XiaoLong Zhu, Bin Li, ShaoFeng Zhang, ShiPing Cao, WenTian Feng & ShenYue Xu

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  1. XinWen Ma
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  2. XiaoLong Zhu
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  3. HuiPing Liu
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  4. Bin Li
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  5. ShaoFeng Zhang
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  6. ShiPing Cao
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  7. WenTian Feng
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Correspondence to XinWen Ma.

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Supported by the National Natural Science Foundation of China (Grant No. 10434100)

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Ma, X., Zhu, X., Liu, H. et al. Investigation of ion-atom collision dynamics through imaging techniques. Sci. China Ser. G-Phys. Mech. Astron. 51, 755–764 (2008). https://doi.org/10.1007/s11433-008-0096-4

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  • DOI: https://doi.org/10.1007/s11433-008-0096-4

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