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      https://www.ias.ac.in/article/fulltext/pram/039/03/0305-0316

    • Keywords

       

      Photoionization; configuration-interaction; R-matrix method

    • Abstract

       

      TheR-matrix method is used to calculate cross-sections for the photoionization of Ne-like Fe16+ from ground 2s22p61Se and excited states belonging to 2s2p6 3l and 2s22p5 3l configurations. Configuration interaction wavefunctions are used to represent two target states of Fe17+ ion retained in theR-matrix expansion. The cross-sections are obtained as a function of kinetic energy (εk) of the ejected electron from 10 to 24 Ry. For low kinetic energy the cross-sections show series of Rydberg states which converge onto2Se threshold Fe17+. The calculations are carried out in the LS coupling.

    • Author Affiliations

       

      M Mohan1 2 M Le Dourneuf1 2 Vinod Prasad1 2 A Kumar1 2

      1. Department of Physics and Astrophysics, University of Delhi, Delhi - 110 007, India
      2. Observatoire de Paris, Department “Atomes et molecules in astrophysique’, Unite Propre de Recherche n° 261 du CNRS, Meudon - 92195, France
    • Dates

       
  • Pramana – Journal of Physics | News

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