Experimental and theoretical total cross sections for single and double ionization of the open-4d-shell ions Xe$^{12+}$, Xe$^{13+}$, and Xe$^{14+}$ by electron impact

IF 1.5 4区物理与天体物理 Q3 OPTICS

The European Physical Journal D Pub Date : 2024-06-03 DOI:10.1140/epjd/s10053-024-00854-2

Fengtao Jin, Alexander Borovik Jr., B. Michel Döhring, Benjamin Ebinger, Alfred Müller, Stefan Schippers

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Abstract

We present new experimental and theoretical cross sections for electron-impact single ionization of Xe$^{12+}$ and Xe$^{13+}$ ions, and double ionization of Xe$^{12+}$, Xe$^{13+}$ and Xe$^{14+}$ ions for collision energies from the respective ionization thresholds up to 3500 eV. The calculations use the fully relativistic subconfiguration-averaged distorted-wave approach and, partly, the more detailed level-to-level distorted wave method. We find that, unlike in previous work, our theoretical cross sections agree with our experimental ones within the experimental uncertainties, except for the near-threshold double-ionization cross sections. We attribute this remaining discrepancy to the neglect of direct-double ionization in the present theoretical treatment.

Experimental and theoretical cross sections for electron-impact single ionization of Xe$^{12+}$.

Abstract Image

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电子撞击开 4d 壳离子 Xe $$^{12+}$$ 、 Xe $$^{13+}$$ 和 Xe $$^{14+}$ 单电离和双电离的实验和理论总截面

Abstract We present new experimental and theoretical cross section for electron-impact single ionization of Xe$^{12+}$ and Xe$^{13+}$ions, and double ionization of Xe$^{12+}$, Xe$^{13+}$ and Xe$^{14+}$ions for collision energies from the respective ionization thresholds up to 3500 eV.计算使用了完全相对论子配置平均扭曲波方法，部分使用了更详细的逐级扭曲波方法。我们发现，与以前的工作不同，除了近阈值双电离截面外，我们的理论截面与实验截面在实验不确定性范围内是一致的。我们将这一差异归因于目前的理论处理忽略了直接双电离。

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来源期刊

The European Physical Journal D 物理-物理：原子、分子和化学物理

CiteScore

3.10

自引率

11.10%

发文量

213

审稿时长

3 months

期刊介绍： The European Physical Journal D (EPJ D) presents new and original research results in: Atomic Physics; Molecular Physics and Chemical Physics; Atomic and Molecular Collisions; Clusters and Nanostructures; Plasma Physics; Laser Cooling and Quantum Gas; Nonlinear Dynamics; Optical Physics; Quantum Optics and Quantum Information; Ultraintense and Ultrashort Laser Fields. The range of topics covered in these areas is extensive, from Molecular Interaction and Reactivity to Spectroscopy and Thermodynamics of Clusters, from Atomic Optics to Bose-Einstein Condensation to Femtochemistry.

Experimental and theoretical total cross sections for single and double ionization of the open-4d-shell ions Xe\(^{12+}\), Xe\(^{13+}\), and Xe\(^{14+}\) by electron impact

Abstract