Impact-parameter dependence of the electronic energy loss of fast ions

被引：118

作者：

Grande, PL

Schiwietz, G

机构：

[1] Univ Fed Rio Grande do Sul, Inst Fis, BR-91501970 Porto Alegre, RS, Brazil

[2] Hahn Meitner Inst Berlin GmbH, Bereich F, D-14109 Berlin, Germany

来源：

PHYSICAL REVIEW A | 1998年 / 58卷 / 05期

关键词：

D O I：

10.1103/PhysRevA.58.3796

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this work we describe a model for the electronic energy loss of bare ions at high velocities. Starting from first-order perturbation theory we propose a simple formula to calculate the impact-parameter dependence of the electronic energy loss for all impact parameters. The physical inputs are the electron density and oscillators strengths of the atoms. A very good agreement is obtained with full first-order calculations. [S1050-2947(98)01111-1].

引用

页码：3796 / 3801

页数：6

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