Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon

doi:10.1088/1674-1056/19/11/115202

中国物理B ›› 2010, Vol. 19 ›› Issue (11): 115202-115204.doi: 10.1088/1674-1056/19/11/115202

Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon

于得洋¹, 邵曹杰¹, 阮芳芳¹, 蔡晓红¹, 卢荣春²

(1)Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; (2)Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Graduate School of the Chinese Academy of Sciences, Beijing 100049, China

收稿日期:2009-11-18 修回日期:2010-04-09 出版日期:2010-11-15 发布日期:2010-11-15
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 10874188 and 10775160).

Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon

Lu Rong-Chun(卢荣春)^a)b), Yu De-Yang(于得洋)^a)^†, Shao Cao-Jie(邵曹杰)^a), Ruan Fang-Fang(阮芳芳)^a), and Cai Xiao-Hong(蔡晓红)^a)

^a Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; ^b Graduate School of the Chinese Academy of Sciences, Beijing 100049, China

Received:2009-11-18 Revised:2010-04-09 Online:2010-11-15 Published:2010-11-15
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 10874188 and 10775160).

摘要/Abstract

摘要： 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.

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.

Key words: isocharged sequence ions, multi-electron process, classical over-barrier model

中图分类号: (Scattering of atoms and molecules)

34.50.-s

34.70.+e (Charge transfer)

卢荣春, 于得洋, 邵曹杰, 阮芳芳, 蔡晓红. Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon[J]. 中国物理B, 2010, 19(11): 115202-115204.

Lu Rong-Chun(卢荣春), Yu De-Yang(于得洋), Shao Cao-Jie(邵曹杰), Ruan Fang-Fang(阮芳芳), and Cai Xiao-Hong(蔡晓红). Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon[J]. Chin. Phys. B, 2010, 19(11): 115202-115204.

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Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon

Influence of core property on multi-electron process in slow collisions of isocharged sequence ions with neon

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