• Photoionization of Al IV (neon-type) from its ground 2s22p61Se and excited 2s22p53p3,1P03Se states using the R-matrix method

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      https://www.ias.ac.in/article/fulltext/pram/053/04/0733-0741

    • Keywords

       

      Photoionization; configuration interaction; R-matrix method

    • Abstract

       

      The R-matrix method is used to calculate the total photoionization cross-sections from the ground 2s22p61Se and the first three excited 2s22p53p3,1Se states of Al IV, for photon energies ranging from the first ionization threshold to just above the second threshold of the residual ion Al V. The two lowest LS terms of Al V − 2s22p52P0, 2s2p62Se, 2s2p62Se, represented by sophisticated configuration interaction wavefunctions, are included in the R-matrix calculation. The resulting cross-sections are affected by Rydberg series of resonances converging to the 2s2p62Se excited threshold.

    • Author Affiliations

       

      Man Mohan1 M Le Dourneuf2 A Hibbert3 PG Burke3

      1. Department of Physics and Astrophysics, Delhi University, Delhi - 110 007, India
      2. Universitat Rennes 1, Rennes - 3502, France
      3. Department of Applied Mathematics and Theoretical Physics, Queen’s University of Belfast, Belfast - BT7 1NN, Northern Ireland
    • Dates

       
  • Pramana – Journal of Physics | News

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