• Electron impact excitation collision strengths for neon-like Ni XIX calculated using the relativistic R-matrix method

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    • Keywords


      Collisional excitation; Dirac atomic 𝑅-matrix code.

    • Abstract


      In a recent paper [Pramana - J. Phys. 64, 129 (2005)] results have been presented for electron impact excitation collision strengths for transitions among the fine-structure levels of the 2s22p6 and 2s22p53s configurations of Ni XIX. In this paper we demonstrate through an independent calculation with the relativistic 𝑅-matrix code that those results are unreliable and the conclusions drawn are invalid.

    • Author Affiliations


      K M Aggarwal1 F P Keenan1

      1. Department of Physics and Astronomy, Queen's University, Belfast BT7 1NN, Northern Ireland, UK
    • Dates

  • Pramana – Journal of Physics | News

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