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Photoionization with Excitation and Double Photoionization of Two-Electron Atomic Targets

Kheifets, Anatoli; Bray, Igor

Description

We review recent theoretical results on the double photoionization and ionization with excitation of two-electron atomic targets obtained with the convergent close coupling (CCC) method. The method proved to be capable of producing accurate total ionization cross-sections for H-, He, and Li+ in a wide photon energy range from the double ionization threshold to 10 keV where the results go over continuously to the non-relativistic limit of infinite photon energy. By applying scaling laws these...[Show more]

dc.contributor.authorKheifets, Anatoli
dc.contributor.authorBray, Igor
dc.date.accessioned2015-12-13T23:34:50Z
dc.date.available2015-12-13T23:34:50Z
dc.identifier.issn1155-4339
dc.identifier.urihttp://hdl.handle.net/1885/93637
dc.description.abstractWe review recent theoretical results on the double photoionization and ionization with excitation of two-electron atomic targets obtained with the convergent close coupling (CCC) method. The method proved to be capable of producing accurate total ionization cross-sections for H-, He, and Li+ in a wide photon energy range from the double ionization threshold to 10 keV where the results go over continuously to the non-relativistic limit of infinite photon energy. By applying scaling laws these results can be extrapolated to all two-electron systems with an arbitrary nucleus charge Z. Present theory can also describe accurately the angular correlation in the two-electron continuum in the form of the fully-resolved triple-differential cross-section (TDCS). The latest results for the TDCS on He agree very well with recent absolute measurements with linearly polarized light.
dc.publisherEDP Sciences
dc.sourceJournal de Physique IV
dc.subjectKeywords: Atomic physics; Correlation methods; Electron energy levels; Extrapolation; Helium; Hydrogen; Light polarization; Lithium; Photons; Convergent close coupling; Photon energy; Triple differential cross section; Two electron atomic targets; Photoionization
dc.titlePhotoionization with Excitation and Double Photoionization of Two-Electron Atomic Targets
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume9
dc.date.issued1999
local.identifier.absfor020204 - Plasma Physics; Fusion Plasmas; Electrical Discharges
local.identifier.ariespublicationMigratedxPub25022
local.type.statusPublished Version
local.contributor.affiliationKheifets, Anatoli, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationBray, Igor, Murdoch University
local.bibliographicCitation.issuePr6
local.bibliographicCitation.startpage79
local.bibliographicCitation.lastpage83
dc.date.updated2015-12-12T09:37:42Z
local.identifier.scopusID2-s2.0-17144458785
CollectionsANU Research Publications

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