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Observation of autoionizing resonances in core electron shakeup spectra

Physical Review Letters, ISSN: 0031-9007, Vol: 58, Issue: 25, Page: 2639-2641
1987
  • 45
    Citations
  • 0
    Usage
  • 4
    Captures
  • 0
    Mentions
  • 0
    Social Media
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Metrics Details

  • Citations
    45
    • Citation Indexes
      45
  • Captures
    4

Article Description

New phenomena observed in the shakeup satellite electron spectrum Ne 1s are discussed. It is shown that for satellites lying above the shakeoff threshold, the structures observed correspond to autoionizing resonances. By use of high-resolution x-ray photoelectron spectroscopy the Fano profile of the 2s-3s lower shakeup satellite line is resolved for the first time. The Fano parameters for this line are determined to q=-2.2(2) and ρ2=0.35(5). The width of the resonance is 0.57(7) eV, i.e., almost a factor of 2 larger than the unperturbed linewidth. © 1987 The American Physical Society.

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