光谱精确度计算：从Ar XII到Zn XXIV的氮等电子序列的能量和跃迁速率
Calculations with spectroscopic accuracy: energies and transition rates in the nitrogen isoelectronic sequence from Ar XII to Zn XXIV
摘要：
结合相对论组态相互作用和多体微扰计算了类N离子Ar XII ~ Zn XXIV中$2s^2 2p^3$、$2s 2p^4$、$2p^5$、$2s^2 2p^2 3l$、$2s 2p^3 3l$、$2p^4 3l$和$2s^2 2p^2 4l$组态的359个精细结构能级.一个完整的和一致的数据集的能量，波长，辐射率，振子强度，和线强度的所有可能的电偶极子，磁偶极子，电四极，磁四极跃迁之间的359个级别给出每个离子。目前的工作显着增加了准确的数据量的离子中的氮类序列，和能量水平的准确性是足够高的服务识别和解释所观察到的光谱涉及的$n=3,4$水平，其中的实验值是很大程度上稀缺。同时，这些结果对天体物理和聚变等离子体的模拟和诊断也有很大的帮助。
英文摘要：
Combined relativistic configuration interaction and many-body perturbation calculations are performed for the 359 fine-structure levels of the $2s^2 2p^3$, $2s 2p^4$, $2p^5$, $2s^2 2p^2 3l$, $2s 2p^3 3l$, $2p^4 3l$, and $2s^2 2p^2 4l$ configurations in N-like ions from Ar XII to Zn XXIV. A complete and consistent data set of energies, wavelengths, radiative rates, oscillator strengths, and line strengths for all possible electric dipole, magnetic dipole, electric quadrupole, and magnetic quadrupole transitions among the 359 levels are given for each ion. The present work significantly increases the amount of accurate data for ions in the nitrogen-like sequence, and the accuracy of the energy levels is high enough to serve identification and interpretation of observed spectra involving the $n=3,4$ levels, for which the experimental values are largely scarce. Meanwhile, the results should be of great help in modeling and diagnosing astrophysical and fusion plasmas.
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