| Polarization of Radiation Emitted after Electron Impact Excitation |
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| 作者姓名： | 吴泽清 李月明 段斌 颜君 张弘 |
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| 作者单位： | Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, PO Box 8009-57, Beijing 100088 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10434050, and the Science and Technology Funds of China Academy of Engineering Physics （20050215）. |
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| 摘 要： | A programme is developed to calculate the polarizations of the radiation emitted after electron impact excitation. The fully relativistic distorted-wave method is used in cross-section calculations. The programme is applied to He- and Li-like ions. The calculated values of line polarization are compared with other theoretical results and experimental values. For He-like U, at lower incident energy, the present polarization agrees with the other theoretical ones within 1%, while at higher energy, the differences increase up to about 10%. For He-like Fe and Ti, the present results of polarization degree for most of the lines agree with the experimental data within the experimental error bars. For the Li-like Ti line q （ls2s2p^2p3/2 to ls^22s）, the present value of the polarization agree excellently with another theoretical one, and both the values are consistent with the measured data within the experimental error bar.
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| 关 键 词： | 偏振 辐射限度 电子冲击 放电 |
| 收稿时间： | 2006-12-6 |
| 修稿时间： | 2006-12-06 |
Polarization of Radiation Emitted after Electron Impact Excitation |
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| WU Ze-Qing,LI Yue-Ming,DUAN Bin,YAN Jun,ZHANG Hong.Polarization of Radiation Emitted after Electron Impact Excitation[J].Chinese Physics Letters,2007,24(6):1560-1562. |
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| Authors: | WU Ze-Qing LI Yue-Ming DUAN Bin YAN Jun ZHANG Hong |
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| Institution: | Laboratory of Computational Physics, Institute of Applied Physics and Computational Mathematics, PO Box 8009-57, Beijing 100088 |
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| Abstract: | A programme is developed to calculate the polarizations of the radiation emitted after electron impact excitation. The fully relativistic distorted-wave method is used in cross-section calculations. The programme is applied to He- and Li-like ions. The calculated values of line polarization are compared with other theoretical results and experimental values. For He-like U, at lowerincident energy, the present polarization agrees with the other theoretical ones within 1%, while at higher energy, the differences increase up to about 10%. For He-like Fe and Ti, the present results of polarization degree for most of the lines agree with the experimental data within the experimental error bars. For the Li-like Ti line q (1s2s2p2P 3/2 to 1s22s), the present value ofthe polarization agree excellently with another theoretical one, and both the values are consistent with the measured data within the experimental error bar. |
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| Keywords: | 34 80 Dp 34 80 Kw 32 30 Rj |
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