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  Two-photon double ionization of He and Ne with intense VUV free-electron-laser pulses

Rudenko, A., Kurka, M., Foucar, L., Kühnel, K.-U., Jiang, Y. H., Ergler, T., et al. (2009). Two-photon double ionization of He and Ne with intense VUV free-electron-laser pulses. Journal of Physics: Conference Series, 194(3): 032008.

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 Creators:
Rudenko, A.1, Author           
Kurka, M.1, Author           
Foucar, L.1, Author           
Kühnel, K.-U.1, Author           
Jiang, Y. H.1, Author           
Ergler, T.1, Author           
Havermeier, T.2, Author
Smolarski, M.2, Author
Schössler, S.2, Author
Cole, K.2, Author
Schöffler, M.2, Author
Dörner, R.1, Author           
Zouros, T.2, Author
Düsterer, S.2, Author
Treusch, R.2, Author
Gensch, M.2, Author
Schröter, C. D.1, Author           
Moshammer, R.1, Author           
Ullrich, J.1, Author           
Affiliations:
1Division Prof. Dr. Joachim H. Ullrich, MPI for Nuclear Physics, Max Planck Society, ou_904547              
2Max-Planck Advanced Study Group at CFEL, 22607 Hamburg, Germany Institut für Kernphysik, Universität Frankfurt, 60438 Frankfurt, Germany University of Crete, 71003 Heraklion, Greece DESY, 22607 Hamburg, Germany, ou_persistent22              

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Free keywords: 32.80.Fb Photoionization of atoms and ions 32.30.Jc Visible and ultraviolet spectra
 Abstract: Two-photon double ionization of He and Ne by intense (1013–1014 W/cm2) short pulsed (~ 25 fs) 44 eV radiation delivered by the free-electron LASer at Hamburg (FLASH) has been studied using a "Reaction Microscope". We observe characteristic signatures of direct (for He) and sequential (for Ne) ionization imprinted in different momentum distributions of the doubly charged ions. For Ne we also present kinematically complete data, extracting state-selective angular asymmetry parameters and an angular correlation function of both electrons, and compare them with recent theoretical predictions.

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Language(s): eng - English
 Dates: 2009
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 516893
DOI: doi: 10.1088/1742-6596/194/3/032008
 Degree: -

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Title: XXVI International Conference on Photonic, Electronic and Atomic Collisions
Place of Event: Kalamazoo, USA
Start-/End Date: 2009-07-22 - 2009-07-28

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Title: Journal of Physics: Conference Series
  Alternative Title : J. Phys.: Conf. Ser.
Source Genre: Journal
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Publ. Info: -
Pages: - Volume / Issue: 194 (3) Sequence Number: 032008 Start / End Page: - Identifier: -