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Energy levels, transition rates, lifetimes of He-like-ions with Z=72–76 deduced from relativistic multiconfiguration Dirac–Hartree–Fock and many body perturbation theory calculations
Atomic Data and Nuclear Data Tables ( IF 2.7 ) Pub Date : 2021-03-02 , DOI: 10.1016/j.adt.2021.101418
Sirine Ben Nasr , Patrick Palmeri , Pascal Quinet , Haikel Jelassi

We disclose relativistic multiconfiguration Dirac–Hartree–Fock (MCDHF) spectrum calculations for He-like-ions with Z=7276. The excitation energy and the oscillator strength values have been computed for the 127 odd- and even-parity states as well as lifetimes and transition rates between different states. To study the accuracy of our results, we have implemented parallel calculations using a Flexible Atomic Code (FAC) by introducing the many body perturbation theory (MBPT). Additionally, the Breit interaction and leading quantum electrodynamics effects (QED) are included as perturbations in the present calculations.



中文翻译:

He离子的能级,跃迁速率,寿命 ž=7276 从相对论多构型的狄拉克-哈特里-福克推论和许多身体摄动理论计算得出

我们公开了He类离子的相对论多配置Dirac–Hartree–Fock(MCDHF)光谱计算, ž=7276。已经为127个奇偶校验状态计算了激励能量和振荡器强度值,并计算了不同状态之间的寿命和过渡速率。为了研究结果的准确性,我们通过引入多体扰动理论(MBPT),使用弹性原子代码(FAC)进行了并行计算。另外,在本计算中,还包括了Breit相互作用和超前量子电动力学效应(QED)作为扰动。

更新日期:2021-04-04
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