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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Analysis of the 4f(2)-4f5g transitions in Cd-like Pr XII and Nd XII
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Analysis of the 4f(2)-4f5g transitions in Cd-like Pr XII and Nd XII

机译：Cd样Pr XII和Nd XII中4f（2）-4f5g跃迁的分析

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摘要

4f(2) - 4f5g transitions in Pr XII and Nd XIII spectra excited in laser-produced plasma and low-inductance vacuum spark sources were analyzed in the extreme vacuum ultraviolet region. These transitions were observed for the first time in the Cd I isoclectronic sequence. Thirty two (32) spectral lines have been classified in each spectrum, and 24 levels in Pr XII and 23 levels in Nd XIII out of 28 possible levels of 4f5g configuration have been determined. The level value of the 6s6p (1)p(1) level of Pr XII has been revised from 784690 cm(-1) to 791365 cm(-1) based on the new calculations and measurements. The 5s6p P-1(1) level in Pr XII was also revised on the basis of new measurements. Semi-empirical Least-Squares-Fitting calculations in the frame of Hartree-Fock technique confirmed the experimentally determined energy structures of 4f5g configuration in Pr XII and Nd XIII.
机译：在极端真空紫外区域中分析了在激光产生的等离子体和低电感真空火花源中激发的Pr XII和Nd XIII光谱中的4f（2）-4f5g跃迁。这些转变是在Cd I等电子序列中首次观察到的。在每个光谱中已分类了三十二（32）条光谱线，并且在28种可能的4f5g构型中确定了Pr XII中的24种能级和Nd XIII中的23种能级。 Pr XII 6s6p（1）p（1）的水平值已根据新的计算和测量值从784690 cm（-1）修改为791365 cm（-1）。 Pr XII中的5s6p P-1（1）水平也根据新的测量值进行了修订。在Hartree-Fock技术框架内进行的半经验最小二乘拟合计算证实了实验确定的Pr XII和Nd XIII中4f5g构型的能量结构。

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