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ALIGNMENT OFAr+IONS PRODUCED AFTER RESONANT AUGER DECAY OFAr*2p53dRESONANCES

Author

Listed:
  • M. MEYER

    (LURE, Centre Universitaire Paris-Sud, Bâtiment 209D, F-91898 Orsay Cedex, France;
    CEA/DRECAM/SPAM, CEN Saclay, F-91105 Gif-sur-Yvette, France)

  • A. MARQUETTE

    (LURE, Centre Universitaire Paris-Sud, Bâtiment 209D, F-91898 Orsay Cedex, France;
    CEA/DRECAM/SPAM, CEN Saclay, F-91105 Gif-sur-Yvette, France)

  • A. GRUM-GRZHIMAILO

    (LURE, Centre Universitaire Paris-Sud, Bâtiment 209D, F-91898 Orsay Cedex, France;
    Institute of Nuclear Physics, Moscow State University, Moscow 119899, Russia)

  • R. FLESCH

    (Fachbereich Physik, Universität Osnabrück, Barbarastr. 7, D-49069 Osnabrück, Germany)

  • E. RÜHL

    (Fachbereich Physik, Universität Osnabrück, Barbarastr. 7, D-49069 Osnabrück, Germany)

Abstract

Fluorescence spectra have been recorded in the wavelength region 300 nm ≤ λ(fluo) ≤ 500 nm after resonant2p→3dexcitation of atomic Ar using monochromatic synchrotron light. The radiative emission is characterized by strong transitions fromAr+3p4(1S,1D,3P)nℓionic states. It is mainly assigned to processes of the type3p44d→3p44pand3p44p→3p44s. In addition, we have analyzed the degree of polarization of the fluorescence lines and we have determined the alignment of theAr+ions, which are produced after the resonant Auger decay. In comparison to investigations based on photoelectron spectroscopy, the spectral analysis of the fluorescence provides complementary information about the electronic relaxation during the resonant Auger process and, in particular, it allows one to examine directly the remaining ion.

Suggested Citation

  • M. Meyer & A. Marquette & A. Grum-Grzhimailo & R. Flesch & E. Rühl, 2002. "ALIGNMENT OFAr+IONS PRODUCED AFTER RESONANT AUGER DECAY OFAr*2p53dRESONANCES," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 9(01), pages 141-146.
    • Handle: RePEc:wsi:srlxxx:v:09:y:2002:i:01:n:s0218625x02002063
    DOI: 10.1142/S0218625X02002063
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