Differential cross sections for non-sequential double ionization of He by 52eV photons from the Free Electron Laser in Hamburg, FLASH
Identifieur interne : 000557 ( Istex/Curation ); précédent : 000556; suivant : 000558Differential cross sections for non-sequential double ionization of He by 52eV photons from the Free Electron Laser in Hamburg, FLASH
Auteurs : M. Kurka [Allemagne] ; J. Feist [États-Unis] ; D A Horner [États-Unis] ; A. Rudenko [Allemagne] ; Y H Jiang [Allemagne] ; K U Khnel [Allemagne] ; L. Foucar [Allemagne] ; T N Rescigno [États-Unis] ; C W Mccurdy [États-Unis] ; R. Pazourek ; S. Nagele ; M. Schulz [États-Unis] ; O. Herrwerth [Allemagne] ; M. Lezius [Allemagne] ; M F Kling [Allemagne] ; M. Schffler [États-Unis] ; A. Belkacem [États-Unis] ; S. Dsterer [Allemagne] ; R. Treusch [Allemagne] ; B I Schneider [États-Unis] ; L A Collins [États-Unis] ; J. Burgdrfer ; C D Schrter [Allemagne] ; R. Moshammer [Allemagne] ; J. Ullrich [Allemagne]Source :
- New Journal of Physics [ 1367-2630 ] ; 2010.
Abstract
Two-photon double ionization of He is studied at the Free Electron Laser in Hamburg (FLASH) by inspecting He2 momentum () distributions at 52eV photon energy. We demonstrate that recoil ion momentum distributions can be used to infer information about highly correlated electron dynamics and find the first experimental evidence for virtual sequential ionization. The experimental data are compared with the results of two calculations, both solving the time-dependent Schrdinger equation. We find good overall agreement between experiment and theory, with significant differences for cuts along the polarization direction that cannot be explained by the experimental resolution alone.
Url:
DOI: 10.1088/1367-2630/12/7/073035
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<author><name sortKey="Pazourek, R" sort="Pazourek, R" uniqKey="Pazourek R" first="R" last="Pazourek">R. Pazourek</name>
<affiliation><mods:affiliation>Institute for Theoretical Physics, Vienna University of Technology,1040 Vienna, Austria, EU</mods:affiliation>
<wicri:noCountry code="subField">EU</wicri:noCountry>
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<author><name sortKey="Nagele, S" sort="Nagele, S" uniqKey="Nagele S" first="S" last="Nagele">S. Nagele</name>
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<author><name sortKey="Schulz, M" sort="Schulz, M" uniqKey="Schulz M" first="M" last="Schulz">M. Schulz</name>
<affiliation wicri:level="1"><mods:affiliation>Missouri University of Science and Technology, Physics Departmentand LAMOR, Rolla, MO 65409, USA</mods:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Missouri University of Science and Technology, Physics Departmentand LAMOR, Rolla, MO 65409</wicri:regionArea>
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<author><name sortKey="Herrwerth, O" sort="Herrwerth, O" uniqKey="Herrwerth O" first="O" last="Herrwerth">O. Herrwerth</name>
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<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Max-Planck-Institut fr Quantenoptik, 85748 Garching</wicri:regionArea>
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<author><name sortKey="Lezius, M" sort="Lezius, M" uniqKey="Lezius M" first="M" last="Lezius">M. Lezius</name>
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<wicri:regionArea>Max-Planck-Institut fr Quantenoptik, 85748 Garching</wicri:regionArea>
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<author><name sortKey="Kling, M F" sort="Kling, M F" uniqKey="Kling M" first="M F" last="Kling">M F Kling</name>
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<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Max-Planck-Institut fr Quantenoptik, 85748 Garching</wicri:regionArea>
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<author><name sortKey="Schffler, M" sort="Schffler, M" uniqKey="Schffler M" first="M" last="Schffler">M. Schffler</name>
<affiliation wicri:level="1"><mods:affiliation>Lawrence Berkeley National Laboratory, Chemical Sciences and Ultrafast X-ray Science Laboratory, Berkeley, CA 94720, USA</mods:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Lawrence Berkeley National Laboratory, Chemical Sciences and Ultrafast X-ray Science Laboratory, Berkeley, CA 94720</wicri:regionArea>
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<author><name sortKey="Belkacem, A" sort="Belkacem, A" uniqKey="Belkacem A" first="A" last="Belkacem">A. Belkacem</name>
<affiliation wicri:level="1"><mods:affiliation>Lawrence Berkeley National Laboratory, Chemical Sciences and Ultrafast X-ray Science Laboratory, Berkeley, CA 94720, USA</mods:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Lawrence Berkeley National Laboratory, Chemical Sciences and Ultrafast X-ray Science Laboratory, Berkeley, CA 94720</wicri:regionArea>
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<author><name sortKey="Dsterer, S" sort="Dsterer, S" uniqKey="Dsterer S" first="S" last="Dsterer">S. Dsterer</name>
<affiliation wicri:level="1"><mods:affiliation>DESY, 22607 Hamburg, Germany</mods:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>DESY, 22607 Hamburg</wicri:regionArea>
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</author>
<author><name sortKey="Treusch, R" sort="Treusch, R" uniqKey="Treusch R" first="R" last="Treusch">R. Treusch</name>
<affiliation wicri:level="1"><mods:affiliation>DESY, 22607 Hamburg, Germany</mods:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>DESY, 22607 Hamburg</wicri:regionArea>
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</author>
<author><name sortKey="Schneider, B I" sort="Schneider, B I" uniqKey="Schneider B" first="B I" last="Schneider">B I Schneider</name>
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<wicri:regionArea>Office of Cyberinfrastructure/Physics Division, National Science Foundation, Arlington, VA 22230</wicri:regionArea>
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<affiliation wicri:level="1"><mods:affiliation>Electron and Optical Physics Division, National Institute of Standardsand Technology, Gaithersburg, MD 20899, USA</mods:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Electron and Optical Physics Division, National Institute of Standardsand Technology, Gaithersburg, MD 20899</wicri:regionArea>
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</author>
<author><name sortKey="Collins, L A" sort="Collins, L A" uniqKey="Collins L" first="L A" last="Collins">L A Collins</name>
<affiliation wicri:level="1"><mods:affiliation>Los Alamos National Laboratory, Theoretical Division, Los Alamos,NM 87545, USA</mods:affiliation>
<country xml:lang="fr">États-Unis</country>
<wicri:regionArea>Los Alamos National Laboratory, Theoretical Division, Los Alamos,NM 87545</wicri:regionArea>
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</author>
<author><name sortKey="Burgdrfer, J" sort="Burgdrfer, J" uniqKey="Burgdrfer J" first="J" last="Burgdrfer">J. Burgdrfer</name>
<affiliation><mods:affiliation>Institute for Theoretical Physics, Vienna University of Technology,1040 Vienna, Austria, EU</mods:affiliation>
<wicri:noCountry code="subField">EU</wicri:noCountry>
</affiliation>
</author>
<author><name sortKey="Schrter, C D" sort="Schrter, C D" uniqKey="Schrter C" first="C D" last="Schrter">C D Schrter</name>
<affiliation wicri:level="1"><mods:affiliation>Max-Planck-Institut fr Kernphysik, 69117 Heidelberg, Germany</mods:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Max-Planck-Institut fr Kernphysik, 69117 Heidelberg</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Moshammer, R" sort="Moshammer, R" uniqKey="Moshammer R" first="R" last="Moshammer">R. Moshammer</name>
<affiliation wicri:level="1"><mods:affiliation>Max-Planck-Institut fr Kernphysik, 69117 Heidelberg, Germany</mods:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Max-Planck-Institut fr Kernphysik, 69117 Heidelberg</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Ullrich, J" sort="Ullrich, J" uniqKey="Ullrich J" first="J" last="Ullrich">J. Ullrich</name>
<affiliation wicri:level="1"><mods:affiliation>Max-Planck-Institut fr Kernphysik, 69117 Heidelberg, Germany</mods:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Max-Planck-Institut fr Kernphysik, 69117 Heidelberg</wicri:regionArea>
</affiliation>
<affiliation wicri:level="1"><mods:affiliation>Max-Planck Advanced Study Group at CFEL, 22607 Hamburg, Germany</mods:affiliation>
<country xml:lang="fr">Allemagne</country>
<wicri:regionArea>Max-Planck Advanced Study Group at CFEL, 22607 Hamburg</wicri:regionArea>
</affiliation>
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<monogr></monogr>
<series><title level="j">New Journal of Physics</title>
<title level="j" type="abbrev">New J. Phys.</title>
<idno type="ISSN">1367-2630</idno>
<idno type="eISSN">1367-2630</idno>
<imprint><publisher>IOP Publishing</publisher>
<date type="published" when="2010">2010</date>
<biblScope unit="volume">12</biblScope>
<biblScope unit="issue">7</biblScope>
<biblScope unit="page" from="1">1</biblScope>
<biblScope unit="page" to="17">17</biblScope>
</imprint>
<idno type="ISSN">1367-2630</idno>
</series>
<idno type="istex">7A971633173CB9D413958DB71FFF756A957B06E7</idno>
<idno type="DOI">10.1088/1367-2630/12/7/073035</idno>
<idno type="articleID">356283</idno>
<idno type="articleNumber">073035</idno>
</biblStruct>
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<seriesStmt><idno type="ISSN">1367-2630</idno>
</seriesStmt>
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<profileDesc><textClass></textClass>
<langUsage><language ident="en">en</language>
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</teiHeader>
<front><div type="abstract">Two-photon double ionization of He is studied at the Free Electron Laser in Hamburg (FLASH) by inspecting He2 momentum () distributions at 52eV photon energy. We demonstrate that recoil ion momentum distributions can be used to infer information about highly correlated electron dynamics and find the first experimental evidence for virtual sequential ionization. The experimental data are compared with the results of two calculations, both solving the time-dependent Schrdinger equation. We find good overall agreement between experiment and theory, with significant differences for cuts along the polarization direction that cannot be explained by the experimental resolution alone.</div>
</front>
</TEI>
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