Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon |
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| Authors: | Lu Rong-Chun Yu De-Yang Shao Cao-Jie Ruan Fang-Fang and Cai Xiao-Hong |
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| Institution: | Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Graduate School of the Chinese Academy of Sciences, Beijing 100049, China;Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China |
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| Abstract: | Influence of core property on multi-electron process in the collisions of q=6-9 and 11 isocharged sequence ions with Ne is investigated in the keV/u region. The cross-section ratios of double-, triple-, quadruple- and total multi-electron processes to the single electron capture process as well as the partial ratios of different reaction channels to the relevant multi-electron process are measured by using position-sensitive and time-of-flight techniques. The experimental data are compared with the theoretical predictions including the extended classical over-barrier model, the molecular Columbic barrier model and the semi-empirical scaling law. Results show a core effect on multi-electron process of isocharge ions colliding with Neon, which is consistent with the results of Helium we obtained previously. |
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| Keywords: | isocharged sequence ions multi-electron process classical over-barrier model |
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