Research Papers in Physics and Astronomy

 

Date of this Version

10-1985

Comments

Published in Reviews of Modern Physics, Vol. 57, No. 4, October 1985. Copyright © 1985 The American Physical Society. Used by permission.

Abstract

Existing data on the ionization of neutral atoms and molecules by proton impact are reviewed, and electron production cross-section data are collected. The three major experimental methods are discussed and possible sources of error identified. Some theoretical cross sections are discussed, and well-established methods of relating them to measured cross sections are reviewed. A mathematical equation is fitted to the weighted experimental data for each target, and these fits are adjusted to be consistent with appropriate theoretical calculations and with electron impact and photoionization data. Recommended values of total cross sections for proton-impact ionization are given.

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