PdⅩⅣ-CdⅩⅥ离子4s24p3和4s4p4组态精细结构能级与跃迁的扩展分析

牟致栋; 魏琦瑛; 叶世旺; 张雷; 魏伟; 王树凯

强激光与粒子束, 2005, 17 (3): 447, 网络出版: 2006-04-28

PdⅩⅣ-CdⅩⅥ离子4s²4p³和4s4p⁴组态精细结构能级与跃迁的扩展分析

Extended analysis of fine-structure energy levels of 4s²4p³ and 4s4p⁴ for ions from PdⅩⅣ to CdⅩⅥ

论文大纲

牟致栋魏琦瑛叶世旺张雷魏伟王树凯

作者单位

中国矿业大学理学院,江苏,徐州,221008

摘要

用多组态HXR理论方法对KrⅣ-CdⅩⅥ离子4s²4p³和4s4p⁴组态的精细结构能级进行了分析计算.在已有研究工作的基础上,通过对4s²4p³和4s4p⁴组态能级的实验观测值与HXR计算结果之差ΔE沿等电子序列变化规律的分析,找出了ΔE随有效核电荷数Z_c变化的规律,预言并计算了PdⅩⅣ-CdⅩⅥ离子4s²4p³和4s4p⁴组态能级,大部分预言计算值与实验结果的偏差小于100 cm^-1.由此还进一步计算了PdⅩⅣ-CdⅩⅥ离子4s²4p³-4s4p⁴跃迁的谱线波长、振子强度和跃迁概率.结果表明:除了4s²4p³ ²D_5/2 -4s4p⁴ ²D_5/2 跃迁的谱线波长(29.992 nm)与实验值相差0.018 nm外,对于其余5条谱线,预言值与实验值的偏差均不超过0.005 nm.

Abstract

In this paper, fine-structure energy levels of configurations 4s²4p³ and 4s4p⁴ for Arsenic isoelectronic sequence ions from KrⅣto CdⅩⅥ are analysed by multi-configuration Hartree-Fock plus exchange-statistical-potential with relativistic corrections(HXR) method in Cowan'code. By analyzing variation of differences between the experimental data and the associated theoretical energies with Z_c along the sequence, a new formula has been found for fit calculation. With this new formula, the fine-structure levels of the configurations mentioned above are predicted, the uncentainty of most predicted energy level values with the associated experimental results are not more than 100 cm^-1. The wavelengths, oscillator strengths and probabilities of transitions 4s²4p³—4s4p⁴ calculated with HXR method are given here too. The predicted wavelengths of transition 4s²4p³—4s4p⁴ for PdⅩⅣ are in well agreement with the experimental ones within 0.005 nm except that of transition 4s²4p³ ²D_5/2—4s4p⁴ ²D_5/2 which is 0.018nm,and the other results of trasitions 4s²4p³-4s4p⁴ for ions from PdXIV to Cd X VI are sheer predicted ones.

参考文献

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牟致栋, 魏琦瑛, 叶世旺, 张雷, 魏伟, 王树凯. PdⅩⅣ-CdⅩⅥ离子4s²4p³和4s4p⁴组态精细结构能级与跃迁的扩展分析[J]. 强激光与粒子束, 2005, 17(3): 447. MU Zhi-dong, WEI Qi-ying, YE Shi-wang, ZHANG Lei, WEI Wei, WANG Shu-kai. Extended analysis of fine-structure energy levels of 4s²4p³ and 4s4p⁴ for ions from PdⅩⅣ to CdⅩⅥ[J]. High Power Laser and Particle Beams, 2005, 17(3): 447.

PdⅩⅣ-CdⅩⅥ离子4s²4p³和4s4p⁴组态精细结构能级与跃迁的扩展分析

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