Differential Cross Sections for the Ionization of Oriented H2 Molecules by Electron Impact

被引：68

作者：

Colgan, J. ^{[1
]}

Pindzola, M. S. ^{[2
]}

Robicheaux, F. ^{[2
]}

Kaiser, C. ^{[3
]}

Murray, A. J. ^{[3
]}

Madison, D. H. ^{[4
]}

机构：

[1] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[2] Auburn Univ, Dept Phys, Auburn, AL 36849 USA

[3] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

[4] Missouri Univ Sci & Technol, Dept Phys, Rolla, MO 65409 USA

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 23期

基金：

英国工程与自然科学研究理事会; 美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.101.233201

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A nonperturbative close-coupling technique is used to calculate differential cross sections for the electron-impact ionization of H-2 at an energy of 35.4 eV. Our approach allows cross sections for any orientation of the molecule with respect to the incident electron beam to be analyzed. New features in the resulting cross sections are found compared with the case where the molecular orientation is averaged, and also with cross sections for He at equivalent electron kinematics. When averaged over all possible molecular orientations, good agreement is found with recent experimental results.

引用

页数：4

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