| Transfer Ionization of Helium in Collisions with C^q＋ and O^q＋ （q =1 - 3） |
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| 引用本文： | 王宝红,;付宏斌,;丁宝卫,;于得洋,;孙光智,;刘兆远. Transfer Ionization of Helium in Collisions with C^q＋ and O^q＋ （q =1 - 3）[J]. 中国物理快报, 2008, 25(7): 2460-2463 |
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| 作者姓名： | 王宝红, 付宏斌, 丁宝卫, 于得洋, 孙光智, 刘兆远 |
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| 作者单位： | [1]Department of Physics, Lanzhou University, Lanzhou 730000; [2]School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000; [3]Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 |
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| 基金项目： | Supported by the National Natural Science Foundation of China with Grant Nos 10704030 and 10304019, and the Natural Science Foundation of Gansu Province under Grant No 0710RJZA014. |
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| 摘 要： | Cross-section ratios σTI/σSC of transfer ionization （TI） to single capture （SC） of C^q＋- and O^q＋-He （q = 1 - 3） collisions in the energy range of 15-440 keV/u （0.8-4.2 vBohr） are experimentally determined. It is shown that σTI/σSC strongly depends on the projectile velocity, and there is a maximum for E（keV/u）/q1/2 ≈, 150. Combining the Bohr-Lindhard model and the statistical model, a theoretical estimate is presented, in reasonable agreement with the experimental data when E（keV//u）/q^1/2 〉 35.
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| 关 键 词： | 电离 氦 核物理 能量范围 |
| 收稿时间： | 2008-03-29 |
Transfer Ionization of Helium in Collisions with Cq+ and Oq+ (q =1-3) |
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| WANG Bao-Hong,FU Hong-Bin,DING Bao-Wei,YU De-Yang,SUN Guang-Zhi,LIU Zhao-Yuan. Transfer Ionization of Helium in Collisions with Cq+ and Oq+ (q =1-3)[J]. Chinese Physics Letters, 2008, 25(7): 2460-2463 |
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| Authors: | WANG Bao-Hong FU Hong-Bin DING Bao-Wei YU De-Yang SUN Guang-Zhi LIU Zhao-Yuan |
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| Affiliation: | Department of Physics, Lanzhou University, Lanzhou 730000School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 |
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| Abstract: | |
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| Keywords: | 34.70.+e 34.50.Fa |
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