| Experimental study of cross-section ratios in the collisions of Cq＋ and oq＋（q= 1-4） on atomic helium in strong-interaction region |
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| 引用本文： | 陈熙萌,江丽娟,周鹏,周春林,高志民,邱玺玉,崔莹,王兴安,娄凤君,吕学阳,贾娟娟,陈林,邵剑雄,吕瑛,王幡.Experimental study of cross-section ratios in the collisions of Cq＋ and oq＋（q= 1-4） on atomic helium in strong-interaction region[J].中国物理 B,2011,20(1):13402-013402. |
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| 作者姓名： | 陈熙萌 江丽娟 周鹏 周春林 高志民 邱玺玉 崔莹 王兴安 娄凤君 吕学阳 贾娟娟 陈林 邵剑雄 吕瑛 王幡 |
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| 作者单位： | School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No. 10775063). |
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| 摘 要： |
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| 关 键 词： | 氦原子 强相互作用 重庆 比例 碰撞 断面 实验 数据采集系统 |
| 收稿时间： | 2009-04-23 |
Experimental study of cross-section ratios in the collisions of Cq+ and Oq+(q=1-4) on atomic helium in strong-interaction region |
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| Chen Xi-Meng,Jiang Li-Juan,Zhou Peng,Zhou Chun-Lin,Gao Zhi-Min,Qiu Xi-Yu,Cui Ying,Wang Xing-An,Lou Feng-Jun,Lü Xue-Yang,Jia Juan-Juan,Chen Lin,Shao Jian-Xiong,Lü Ying,Wang Fan.Experimental study of cross-section ratios in the collisions of Cq+ and Oq+(q=1-4) on atomic helium in strong-interaction region[J].Chinese Physics B,2011,20(1):13402-013402. |
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| Authors: | Chen Xi-Meng Jiang Li-Juan Zhou Peng Zhou Chun-Lin Gao Zhi-Min Qiu Xi-Yu Cui Ying Wang Xing-An Lou Feng-Jun Lü Xue-Yang Jia Juan-Juan Chen Lin Shao Jian-Xiong Lü Ying Wang Fan |
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| Institution: | School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China;School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China |
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| Abstract: | We have measured the cross-section ratios of helium induced by Cq+ and Oq+ (q=1-4) in an energy range from 20 keV/amu to 500 keV/amu, and obtained the two-dimensional spectra by employing the coincidence method combined with the MPA-3 data acquisition system. Hence, we obtain the ratios of total single-ionization cross-sections (SI, SC, SLSI, and DLSI), total double-ionization cross-sections (DI, DC, TI, SLDI, and DLDI) and cross-sections of every process (SI, SC, SLSI, DLSI, DI, DC, TI, SLDI, and DLDI), which induce the single-ionization and double-ionization, to the total cross sections respectively. The competitive relations between the reaction-channels and the experimental data law of each reaction-channel are revealed explicitly, and the qualitative explanations involved in those results are also presented accordingly. |
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| Keywords: | ion--atom collisions strong-interaction region cross-section ratios competitive relation |
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