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Satellite lines of helium-like ions in strongly coupled plasma environment
Journal of Quantitative Spectroscopy and Radiative Transfer ( IF 2.3 ) Pub Date : 2021-07-06 , DOI: 10.1016/j.jqsrt.2021.107830
R. Chandra 1 , S. Bhattacharyya 2 , J.K. Saha 3 , X. Li 4 , T.K. Mukherjee 1
Affiliation  

We report the transition energies and probabilities of satellite lines due to 2p2(3P0,1,2)1s2p(3P0,1,2) transitions of He-like C,Ne,Al and Ar ions embedded in strongly coupled plasma (SCP) environment. The SCP environment is represented by the ion-sphere (IS) model and the IS radius is varied in such a way that plasma electron densities (10201026 per cm3) cover a wide range of experimental interest. Both relativistic and non-relativistic energies of 2p2(3P) and 1s2p(3P) states are reported. The relativistic MCDF results are obtained by modified GRASP2K code and the non-relativistic variational results are done by using explicitly correlated Hylleraas basis. The relativistic results are in good agreement with experimental data available in literature. The positions of intercombination lines in presence of dense plasma can be calculated from present results which are comparable with experimental measurements. The partial pressures experienced by the plasma-embedded ions are analyzed in the purview of available experimental observations. An empirical relation is reported to estimate partial pressure on ions in dense plasma environment.



中文翻译:

强耦合等离子体环境中类氦离子的卫星线

我们报告了卫星线路的跃迁能量和概率,因为 22(30,1,2)12(30,1,2) He-like 的过渡 C,N电子,一种一种r嵌入强耦合等离子体 (SCP) 环境中的离子。SCP 环境由离子球 (IS) 模型表示,并且 IS 半径的变化方式使等离子体电子密度(1020-1026C3)涵盖广泛的实验兴趣。相对论和非相对论的能量22(3)12(3)状态被报告。相对论 MCDF 结果是通过修改的 GRASP2K 代码获得的,非相对论变分结果是通过使用显式相关的 Hylleraas 基础来完成的。相对论结果与文献中可用的实验数据非常吻合。存在致密等离子体时的相互结合线的位置可以从目前的结果计算出来,这些结果与实验测量结果相当。在可用的实验观察范围内分析等离子体嵌入离子所经历的分压。报告了一个经验关系来估计浓等离子体环境中离子的分压。

更新日期:2021-07-16
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