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Benchmark nonperturbative calculations for the electron-impact ionization of Li(2s) and Li(2p)

Colgan, J., Pindzola, M.S., Mitnik, D.M., Griffin, D.C. and Bray, I. (2001) Benchmark nonperturbative calculations for the electron-impact ionization of Li(2s) and Li(2p). Physical Review Letters, 87 (21).

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Link to Published Version: http://dx.doi.org/10.1103/PhysRevLett.87.213201
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Abstract

Three independent nonperturbative calculations are reported for the electron-impact ionization of both the ground and first excited states of the neutral lithium atom. The time-dependent close-coupling, the R matrix with pseudostates, and the converged close-coupling methods yield total integral cross sections that are in very good agreement with each other, while perturbative distorted-wave calculations yield cross sections that are substantially higher. These nonperturbative calculations provide a benchmark for the continued development of electron-atom experimental methods designed to measure both ground and excited state ionization.

Item Type: Journal Article
Murdoch Affiliation: School of Mathematical and Physical Sciences
Centre for Atomic, Molecular and Surface Physics
Publisher: American Physical Society
Copyright: © 2001 American Physical Society
URI: http://researchrepository.murdoch.edu.au/id/eprint/35825
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