Electron-Impact Ionization of Heavy Atoms Using the Time-Dependent Close-Coupling Method

被引：1
|
作者：
Pindzola, Michael S. [1 ]
Loch, Stuart D. [1 ]
Colgan, James P. [2 ]
机构：
[1] Auburn Univ, Dept Phys, Auburn, AL 36849 USA
[2] Los Alamos Natl Lab, Theoret Div, Los Alamos, NM 87545 USA
来源：
ATOMS | 2021年 / 9卷 / 02期
基金：
美国国家科学基金会; 美国国家航空航天局;
关键词：
ionization; atoms; electron; CROSS-SECTIONS; MULTIPLE IONIZATION;
D O I：
10.3390/atoms9020032
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The time-dependent close-coupling method has been recently applied to calculate electron-impact direct ionization cross sections for the Kr, W, and Pb atoms. An overview is presented for these three heavy neutral atom systems. When the direct ionization cross sections are combined with excitation-autoionization cross sections, the total ionization cross sections were found to be in reasonable agreement with crossed-beams measurements for Kr and Pb.
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页数：8
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