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dc.contributor.authorBray, Igor
dc.contributor.authorGuilfoile, C.
dc.contributor.authorKadyrov, Alisher
dc.contributor.authorFursa, Dmitry
dc.contributor.authorStelbovics, Andris
dc.identifier.citationBray, I. and Guilfoile, C. and Kadyrov, A. and Fursa, D. and Stelbovics, A. 2014. Ionization amplitudes in electron-hydrogen collisions. Physical Review A. 90: pp. 022710--022710-4.

Recently Zatsarinny and Bartschat [Phys. Rev. Lett. 107, 023203 (2011)] have given an ansatz for extracting ionization amplitudes from close-coupling calculations of electron-impact ionization of atoms. They applied it with extraordinary success to a fully differential cross section of electron-helium single ionization leaving the residual ion in an n=2 state. By considering electron-impact ionization of atomic hydrogen we explain the origin of the ansatz and show that it forms an effective interpolation scheme for determining the amplitudes, so long as the pseudostate energy distribution is sufficiently dense.

dc.publisherAmerican Physical Society
dc.titleIonization amplitudes in electron-hydrogen collisions
dc.typeJournal Article
dcterms.source.titlePhysical Review A
curtin.departmentDepartment of Imaging and Applied Physics
curtin.accessStatusFulltext not available

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