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Hybrid subconfiguration-average and level-to-level distorted-wave treatment of electron-impact single ionisation of W 15+ and W 16+
Journal of Physics B: Atomic, Molecular and Optical Physics ( IF 1.6 ) Pub Date : 2020-07-02 , DOI: 10.1088/1361-6455/ab9c34
F Jin 1, 2 , A Borovik Jr 2 , B Ebinger 2, 3 , S Schippers 2
Affiliation  

Recently, we have demonstrated (Jin et al 2020 J. Phys. B: At. Mol. Opt. Phys. 53 075201) that a hybrid subconfiguration-average and level-to-level distorted wave treatment of electron-impact single ionisation (EISI) of W 14+ ions represents an accurate and manageable approach for the calculation of EISI cross sections of a complex ion. Here we demonstrate the more general validity of this approach by comparing hybrid cross sections for EISI of W 15+ and W 16+ with the recent experimental results of Schury et al (2020 J. Phys. B: At. Mol. Opt. Phys. 53 015201). Our calculations also account for the resonant-excitation double autoionisation (REDA) process which is important in the electron energy range 370–600 eV and for the possible presence of initially metastable ions in the experiment.

中文翻译:

W 15+和W 16+的电子轰击单电离的混合子配置平均和逐级失真波处理

最近,我们已经证明了(Jin等人,2020 J. Phys。B:At。Mol。Opt。Phys。53 075201),它是一种电子平均单电离(EISI)的混合子配置平均和能级间畸变波处理W 14+离子的)表示一种计算复杂离子的EISI截面的准确且易于管理的方法。在这里,我们通过将W 15+和W 16+的EISI的混合截面与Schury等人的最新实验结果(2020 J.Phys.B:At.Mol.Opt。 53 015201)。我们的计算还考虑了共振激发双自电离(REDA)过程,该过程在电子能量370-600 eV范围内很重要,并且还说明了实验中可能存在初始亚稳态离子。
更新日期:2020-07-03
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