| Positron-Lithium Atom and Electron-Lithium Atom Scattering Systems at Intermediate and High Energies |
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| 作者姓名： | K. Ratnavelu S. Y. Ng |
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| 作者单位： | [1]Institute of Mathematical Sciences, Faculty of Science, University of Malaya, 50603 Kuala Lumpur, Malaysia [2]Department of Physics, Faculty of Science, National University of Singapore, Singapore |
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| 基金项目： | Support by the Malaysian Ministry of Science, Technology and Environment （M0STE） under the IRPA Project No 09-02-03- 1009, and the National Science Foundation （NSF） under Grant No KSTAS.S190.080 from M0STE. |
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| 摘 要： | The coupled-channel optical method is used to study positron scattering by atomic lithium at energies ranging from the ionization threshold to 60eV, The present method simultaneously treats the target channels and the positronium （Ps） channels in the coupled-channel method together with the continuum effects via an ab-initio optical potential. Ionization, elastic and inelastic cross sections in target channels, and the total cross section are also reported and compared with other theoretical and experimental data. A comparative study with the corresponding electron-lithium data is also reported.
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| 关 键 词： | 正电子锂原子 散射系统 中间体 高能量 |
| 收稿时间： | 2006-01-20 |
| 修稿时间： | 2006-01-20 |
Positron-Lithium Atom and Electron-Lithium Atom Scattering Systems at Intermediate and High Energies |
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| K. Ratnavelu S. Y. Ng.Positron-Lithium Atom and Electron-Lithium Atom Scattering Systems at Intermediate and High Energies[J].Chinese Physics Letters,2006,23(7):1753-1756. |
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| Authors: | K;Ratnavelu;S;Y;Ng |
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