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    • Collision strengths for transitions in Ni XIX

      K M Aggarwal F P Keenan

      Research Articles Volume 69 Issue 2 August 2007 pp 209-218

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/069/02/0209-0218

    • Keywords

       

      Collisional excitation; flexible atomic code; Dirac atomic 𝑅-matrix code.

    • Abstract

       

      In this paper we present calculations of electron impact excitation collision strengths for transitions among the 89 fine-structure levels of the 2s22p6, 2s22p53$\ell$, 2s2p63$\ell$, 2s22p54$\ell$, and 2s2p64$\ell$ configurations of Ni XIX, for which flexible atomic code (FAC) has been adopted. Comparisons are made with the earlier available results in the literature, and the anomalies observed have been discussed.

    • Author Affiliations

       

      K M Aggarwal1 F P Keenan1

      1. Astrophysics Research Centre, School of Mathematics and Physics, Queen’s University Belfast, Belfast BT7 1NN, Northern Ireland, UK

    • Dates

       
      Published
      August 2007
      Manuscript received
      7 October 2006
      Accepted
      1 May 2007

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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