类铜铅离子自电离速率与双电子俘获强度的扭曲波计算
Distorted-wave calculations of autoionization rates and dielectronic capture strengths of Cu-like Pb ion
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摘要: 采用相对论扭曲波近似方法对高离化态类铜铅离子的自电离速率系数与双电子俘获强度进行了计算。计算结果表明:旁观电子的变化使自电离速率系数呈现出规律性变化。同时用该方计算了Ta元素类铜离子、Au元素类镍离子的自电离速率系数，将结果同相关文献的相对论多参数势方法、准相对论性Hartree-Fock-Relativistic方法以及自旋-轨道劈裂跃迁组模型方法所得结果进行了比较，符合得很好。Abstract: A relativistic distorted-wave approximation is used to calculate the autoionization rates and dielectronic capture strengths for Cu-like Pb ion. The calculated results show that autoionization rates varies regularly with the effect of spectator electron. Autoionization rates and dielectronic capture strengths of two other high-Z elements Au and Ta for comparison are also calculated. The comparison shows good agreement between the present calculation and the theoretical results of the relative parameter potential method, the quasi-relativistic Hartree-Fock- Relativistic method and the spin-orbit-split array modle method.
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