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The n-resolved single-electron capture in slow O6+-Ne collisions |
| Shucheng Cui(崔述成)1,2,†, Dadi Xing(邢大地)1,2,†, Xiaolong Zhu(朱小龙)2,3,‡, Maogen Su(苏茂根)1, Yong Gao(高永)2,3, Dalong Guo(郭大龙)2,3, Dongmei Zhao(赵冬梅)2,3, Shaofeng Zhang(张少锋)2,3, Yanbiao Fu(符彦飙)1,§, and Xinwen Ma(马新文)2,3 |
1 Key Laboratory of Atomic and Molecular Physics Functional Material of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;
2 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;
3 University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract A study of single-electron capture (SEC) in 18-240keV O$^{6+}$-Ne collisions has been conducted employing a combination of experimental and theoretical methodologies. Utilizing a reaction microscope, state-selective SEC cross sections and projectile scattering angle distributions were obtained. The translational energy spectra for SEC reveal the prevailing capture into $n=3$ states of the projectile ion, with a minor contribution from $n=4$ states. Notably, as the projectile's energy increases, the relative contribution of SEC $n=4$ states increases while that of SEC $n=3$ states diminishes. Furthermore, we computed state-selective relative cross sections and angular differential cross sections employing the classical molecular Coulomb over-the-barrier model (MCBM) and the multichannel Landau-Zener (MCLZ) model. A discernible discrepancy between the state-selective cross sections from the two theoretical models is apparent for the considered impact energies. However, regarding the angular differential cross sections, an overall agreement was attained between the current experimental results and the theoretical results from the MCLZ model.
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Received: 07 February 2024
Revised: 19 March 2024
Accepted manuscript online:
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PACS:
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34.70.+e
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(Charge transfer)
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95.30.Dr
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(Atomic processes and interactions)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos.11934004,12064040 and 11974358),the National Key Research and Development Program of China (Grant No.2022YFA1602500),and Strategic Key Research Program of the Chinese Academy of Sciences (XDB34020000). |
Corresponding Authors:
Dadi Xing, Yanbiao Fu
E-mail: zhuxiaolong@impcas.ac.cn;fuyb@nwnu.edu.cn
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Cite this article:
Shucheng Cui(崔述成), Dadi Xing(邢大地), Xiaolong Zhu(朱小龙), Maogen Su(苏茂根), Yong Gao(高永), Dalong Guo(郭大龙), Dongmei Zhao(赵冬梅), Shaofeng Zhang(张少锋), Yanbiao Fu(符彦飙), and Xinwen Ma(马新文) The n-resolved single-electron capture in slow O6+-Ne collisions 2024 Chin. Phys. B 33 073401
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