Multi-electron processes in atomic collisions - theory

被引：5

作者：

Nagy, L ^{[1
]}

机构：

[1] Univ Babes Bolyai, Fac Phys, Cluj 3400, Romania

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 1999年 / 154卷 / 1-4期

关键词：

multi-electron transitions; double ionization; ionization-excitation; double excitation; helium atom;

D O I：

10.1016/S0168-583X(99)00007-5

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

For the theoretical description of the multi-electron processes induced by charged particle impact we use a relatively simple perturbative method. The second-order approximation is valid for protons and antiprotons of moderate and high velocities. Electron correlation is taken into account by the use of configuration-interaction wavefunctions. The agreement with the available experimental data for some two-electron processes in the helium depends on the quality of the wavefunctions used. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：123 / 130

页数：8

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