"Electron-impact-ionization cross sections of H₂ for low outgoing elect" by Ola A. Al-Hagan, Andrew James Murray et al.
 

Abstract

Theoretical and experimental fully differential cross sections are presented for electron-impact ionization of molecular hydrogen in a plane perpendicular to the incident beam direction. The experimental data exhibit a maximum for 1-eV electrons detected 180° apart and a minimum for 10-eV electrons. We investigate the different physical effects which cause back-to-back scattering and demonstrate that, over the energy range from 10 to 1 eV, a direct transition is observed from a region where Wannier threshold physics is essentially unimportant to where it completely dominates.

Department(s)

Physics

Keywords and Phrases

A-plane; Direct transition; Electron energies; Electron-impact; Electron-impact ionization; Energy ranges; Experimental data; Fully differential cross sections; Incident beam direction; Molecular hydrogen; Physical effects; Wannier; Particle detectors; Impact ionization

International Standard Serial Number (ISSN)

1050-2947

Document Type

Article - Journal

Document Version

Final Version

File Type

text

Language(s)

English

Rights

© 2010 American Physical Society (APS), All rights reserved.

Publication Date

01 Mar 2010

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