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    • Electron impact optical excitation of helium-like ions in Coulomb-Glauber approximation

      S N Singh A N Tripathi M K Srivastava

      Atomic And Molecular Physics Volume 16 Issue 6 June 1981 pp 457-465

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/016/06/0457-0465

    • Keywords

       

      Electron impact excitation; helium-like ions; Coulomb-Glauber approximation

    • Abstract

       

      The Coulomb-Glauber approximation is applied to evaluate the electron-impact excitation integrated cross sections for 11S —n1P (n=2, 3) transitions in helium-like ions, C4+, N5+, O6+ and Ne8+. The results are presented in terms of scaled collision strengthn3Z2ki2σ and scaled integrated cross-sectionZ4σ. Our values when compared with other available theoretical results are found to be larger than the Coulomb-Born and distorted wave polarised orbital (DWPO) values.

    • Author Affiliations

       

      S N Singh1 A N Tripathi1 M K Srivastava1

      1. Department of Physics, University of Roorkee, Roorkee - 247 672, India

    • Dates

       
      Published
      June 1981
      Manuscript received
      13 November 1980
      Manuscript revised
      22 April 1981

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