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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/043/02/0169-0174

    • Keywords

       

      Electron impact; single ionization; double ionization; ionization-autoionization

    • Abstract

       

      Electron impact double ionization cross-sections for Ba and Ba+ have been calculated in the binary encounter approximation. Hartree-Fock velocity distribution has been used for the first ejected electron and a hydrogenic velocity distribution for the second. For Ba+ the focusing effects of the target ion on the incident electron have been incorporated in the calculations. Contributions from ionization-autoionization to the ionization cross-sections, as observed in experiments, have been included in the present work. The calculated results show structures as observed in recent experiments.

    • Author Affiliations

       

      L K Jha1 S N Chatterjee1 B N Roy1

      1. Department of Physics, B.B.A. Bihar University, Muzaffarpur - 842 001, India
    • Dates

       
  • Pramana – Journal of Physics | News

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