Photoionization with excitation and double photoionization of two-electron atomic targets
Identifieur interne : 00D659 ( Main/Merge ); précédent : 00D658; suivant : 00D660Photoionization with excitation and double photoionization of two-electron atomic targets
Auteurs : A. Kheifets [Australie] ; I. Bray [Australie]Source :
- Journal de physique. IV [ 1155-4339 ] ; 1999.
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Abstract
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 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.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Photoionization with excitation and double photoionization of two-electron atomic targets</title><author><name sortKey="Kheifets, A" sort="Kheifets, A" uniqKey="Kheifets A" first="A." last="Kheifets">A. Kheifets</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Australian National University, Research School of Physical Sciences</s1><s2>Canberra ACT 2601</s2><s3>AUS</s3><sZ>1 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Canberra ACT 2601</wicri:noRegion></affiliation></author><author><name sortKey="Bray, I" sort="Bray, I" uniqKey="Bray I" first="I." last="Bray">I. Bray</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Physics Department, Flinders University, G.P.O. Box 2100</s1><s2>Adelaide 5001</s2><s3>AUS</s3><sZ>2 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide 5001</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">99-0373738</idno><date when="1999">1999</date><idno type="stanalyst">PASCAL 99-0373738 INIST</idno><idno type="RBID">Pascal:99-0373738</idno><idno type="wicri:Area/PascalFrancis/Corpus">006305</idno><idno type="wicri:Area/PascalFrancis/Curation">006D49</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">005F46</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">005F46</idno><idno type="wicri:doubleKey">1155-4339:1999:Kheifets A:photoionization:with:excitation</idno><idno type="wicri:Area/Main/Merge">00D659</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Photoionization with excitation and double photoionization of two-electron atomic targets</title><author><name sortKey="Kheifets, A" sort="Kheifets, A" uniqKey="Kheifets A" first="A." last="Kheifets">A. Kheifets</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Australian National University, Research School of Physical Sciences</s1><s2>Canberra ACT 2601</s2><s3>AUS</s3><sZ>1 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Canberra ACT 2601</wicri:noRegion></affiliation></author><author><name sortKey="Bray, I" sort="Bray, I" uniqKey="Bray I" first="I." last="Bray">I. Bray</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Physics Department, Flinders University, G.P.O. Box 2100</s1><s2>Adelaide 5001</s2><s3>AUS</s3><sZ>2 aut.</sZ></inist:fA14><country>Australie</country><wicri:noRegion>Adelaide 5001</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal de physique. IV</title><title level="j" type="abbreviated">J. phys., IV</title><idno type="ISSN">1155-4339</idno><imprint><date when="1999">1999</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal de physique. IV</title><title level="j" type="abbreviated">J. phys., IV</title><idno type="ISSN">1155-4339</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Atoms</term><term>Circular polarization</term><term>Close coupling approximation</term><term>Excitation</term><term>Helium</term><term>Multiple ionization</term><term>Photoionization</term><term>Polarized radiation</term><term>Theoretical study</term><term>Total cross sections</term><term>Triply differential cross section</term><term>Two electron system</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>3280F</term><term>Etude théorique</term><term>Approximation couplage proche</term><term>Photoionisation</term><term>Ionisation multiple</term><term>Excitation</term><term>Atome</term><term>Système 2 électrons</term><term>Section efficace triplement différentielle</term><term>Section efficace totale</term><term>Rayonnement polarisé</term><term>Polarisation circulaire</term><term>Hélium</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Atome</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">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<sup>+</sup> 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.</div></front></TEI><affiliations><list><country><li>Australie</li></country></list><tree><country name="Australie"><noRegion><name sortKey="Kheifets, A" sort="Kheifets, A" uniqKey="Kheifets A" first="A." last="Kheifets">A. Kheifets</name></noRegion><name sortKey="Bray, I" sort="Bray, I" uniqKey="Bray I" first="I." last="Bray">I. Bray</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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