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Positron scattering from helium

McEachran, Robert; Stauffer, A D


We have used our relativistic optical potential method to calculate a complete set of cross sections for positron scattering from helium over the range from 0 to 1 keV. We present elastic, positronium formation, direct ionization, total ionization and grand total cross sections and compare these to measurements and other calculations. Besides the previous method for calculating positronium formation by lowering the threshold for ionization to coincide with that for positronium formation in its...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Journal of Physics B: Atomic, Molecular and Optical Physics
DOI: 10.1088/1361-6455/ab0b32


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