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Fully differential cross sections for C6+ single ionization of helium |
| Li Xia (李霞), Ma Xiao-Yan (马晓艳), Sun Shi-Yan (孙世艳), Jia Xiang-Fu (贾祥富 ) |
| Center for Molecular Research, School of Physics and Information Engineering, Shanxi Normal University, Linfen 041004, China |
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Abstract Three-Coulomb-wave (3C) model is applied to study the single ionization of helium by 2 MeV/amu C6+ impact. Fully differential cross sections (FDCS) are calculated in the scattering plane and the results are compared with experimental data and other theoretical predictions. It is shown that the 3C results of the recoil peak are in very good agreement with experimental observations, and variation of the position of the binary peak with increasing momentum transfer also conforms better to the experimental results. Furthermore, the contributions of different scattering amplitudes are discussed. It turns out that the cross sections are strongly influenced by the interference of these amplitudes.
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Received: 14 April 2012
Revised: 25 June 2012
Accepted manuscript online:
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PACS:
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34.80.Dp
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(Atomic excitation and ionization)
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| Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11274215), the Natural Science Foundation of Shanxi Province, China (Grant Nos. 20051008 and 2010011009), and the Technology Project of Shanxi Provincial Education Department, China (Grant No. 20111011). |
Corresponding Authors:
Jia Xiang-Fu
E-mail: jiaxf@dns.sxnu.edu.cn
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Cite this article:
Li Xia (李霞), Ma Xiao-Yan (马晓艳), Sun Shi-Yan (孙世艳), Jia Xiang-Fu (贾祥富 ) Fully differential cross sections for C6+ single ionization of helium 2012 Chin. Phys. B 21 113403
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