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Published May 2000 | Published
Journal Article Open

Robust Estimates of Hydrogen-Impact Ionization Cross Sections Over a Wide Energy Range

Abstract

We describe a simple and effective procedure to estimate hydrogen-impact ionization cross sections over the energy range of tens of keV/nucleon to tens of MeV/nucleon. The procedure is valid in the first Born approximation using known or estimated electron-impact cross sections. The original Bates-Griffing relation between the two sets of cross sections is reformulated and a correction factor due to multiple transitions is introduced. Sample calculated ionization cross sections for helium and carbon collisions with hydrogen are presented.

Additional Information

© 2000 American Physical Society. Received 29 October 1999; published 29 March 2000. This work has been supported by NSF Grant No. 9810653 and NASA-JOVE Grant No. NAG8-1208.

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August 19, 2023
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