X-ray emission from 424-MeV/u C ions impacting on selected target
The K-shell x-rays of Ti, V, Fe, Co, Ni, Cu, and Zn induced by 424-MeV/u C~（6＋） ion impact are measured. It is found that the K x-ray shifts to the high energy side and the intensity ratio of Kβ/Kα is larger than the atomic data, owing to the L-shell multiple-ionization. The x-ray production cross s...
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| Veröffentlicht in: | Chinese physics B 2016-02, Vol.25 (2), p.143-147 |
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| container_title | Chinese physics B |
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| creator | 周贤明 程锐 雷瑜 孙渊博 王瑜玉 王兴 徐戈 梅策香 张小安 陈熙萌 肖国青 赵永涛 |
| description | The K-shell x-rays of Ti, V, Fe, Co, Ni, Cu, and Zn induced by 424-MeV/u C~（6＋） ion impact are measured. It is found that the K x-ray shifts to the high energy side and the intensity ratio of Kβ/Kα is larger than the atomic data, owing to the L-shell multiple-ionization. The x-ray production cross sections are deduced from the experimental counts and compared with the binary encounter approximation（BEA）, plane wave approximation（PWBA） and energy-loss Coulomb-repulsion perturbed-stationary-state relativistic（ECPSSR） theoretical predictions. The BEA model with considering the multipleionization fluorescence yield is in better consistence with the experimental results. In addition, the cross section as a function of target atomic K-shell binding energy is presented. |
| doi_str_mv | 10.1088/1674-1056/25/2/023402 |
| format | Article |
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| identifier | ISSN: 1674-1056 |
| ispartof | Chinese physics B, 2016-02, Vol.25 (2), p.143-147 |
| issn | 1674-1056 2058-3834 1741-4199 |
| language | eng |
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| source | Institute of Physics Journals |
| subjects | Approximation Cross sections Encounters Mathematical analysis Mathematical models Nuclear power generation Plane waves X-rays X射线转换 X射线辐射 伏特 原子K壳层 原子数据 定态微扰论 电子 离子对 |
| title | X-ray emission from 424-MeV/u C ions impacting on selected target |
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