Ionization of argon atom by positron and electron impact
IF 1.5
4区 物理与天体物理
Q3 OPTICS
引用次数: 0
Abstract
The positron and electron impact ionization of argon 3p at 200 eV impact energy is investigated using a theoretical model called 3CWZ. Within this model all particles of the continuum are represented by Coulomb waves with variable charges Z(r), the post-collision interaction and exchange effects are also included. The triple differential cross section is calculated and compared with recent measurements of Dubois and de Lucio (Atoms 9:78, 2021) and other theories when available, for several kinematics. Our numerical results are in overall good agreement with experiments and illustrate projectile charge effects, better than other available theories.
Graphical Abstract
Lonization of argon atom by positron and electron impact
氩原子受正电子和电子撞击而电离
使用一种名为 3CWZ 的理论模型研究了氩 3p 在 200 eV 冲击能量下的正电子和电子冲击电离。在该模型中，连续体的所有粒子都由带有可变电荷 Z(r) 的库仑波表示，碰撞后的相互作用和交换效应也包括在内。我们计算了三重差分截面，并将其与杜波依斯和德-卢西奥（Atoms 9:78, 2021）的最新测量结果以及其他理论（如果有的话）进行了比较。我们的数值结果与实验结果总体上吻合，并且比其他现有理论更好地说明了射弹的电荷效应。
本文章由计算机程序翻译，如有差异，请以英文原文为准。
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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.
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