Research Papers in Physics and Astronomy

 

Date of this Version

1977

Comments

Published in Physical Review A 16, 508 - 517 (1977)
©1977 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevA.16.508
DOI: 10.1103/PhysRevA.16.508

Abstract

Cross sections, differential in emission energy and angle, have been measured for the ejection of electrons in collisions of H+ with argon gas targets. Incident-proton energies studied were from 5 keV to 1.5 MeV and electron emission angles ranged from 10° to 160°. Integration of the double-differential cross sections over emission angle and energy yield results in good agreement with direct measurement of total ionization cross sections. The electron distributions are compared to two plane-wave Born-approximation calculations, one using Hartree-Slater wave functions and the other using Hartree-Fock wave functions in the 3p-εd channel.

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