中等能量下$${textrm{He}^+}+\textrm{He}$碰撞的截面

IF 1.5 4区物理与天体物理 Q3 OPTICS The European Physical Journal D Pub Date : 2024-06-26 DOI:10.1140/epjd/s10053-024-00875-x

A. Igarashi, D. Kato

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引用次数: 0

摘要

摘要在中等能量下，用三电子原子轨道紧密耦合方法处理了 He${^+}$-He 碰撞。给出了单电子俘获、靶激发、射弹激发和靶电离的截面。结果总体上与实验数据和之前的理论结果非常吻合。还讨论了 20 keV/u 左右靶激发到 $2{^1}S$ 和 $2{^1}P$ 的最小截面。

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Cross sections in ${\textrm{He}^+}+\textrm{He}$ collision at intermediate energies

The He${^+}$–He collisions are treated with a three-electron atomic-orbital close-coupling method at intermediate energies. The cross sections are shown for single-electron capture, target excitation, projectile excitation, and target ionization. The results are overall in good agreement with experimental data and previous theoretical results. The minima in the cross sections for target excitation to $2{^1}S$ and $2{^1}P$ around 20 keV/u are also discussed.

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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.