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Energy levels and oscillator strengths for carbon isoelectronic sequence from C I to Ne V

  • A. Al-Modlej
  • R. A. B. Alraddadi
  • N. Ben NessibEmail author
Regular Article
  • 49 Downloads

Abstract.

Energy levels and oscillator strengths for the first five elements of the carbon isoelectronic sequence (C I, N II, O III, F IV and Ne V) have been calculated using the Hartree-Fock pseudo-relativistic (HFR) and the Thomas-Fermi-Dirac-Amaldi (TFDA) approaches. The configuration expansion containing the eight configurations, 2s2 2p2, 2s 2p3, 2s2 2p 3s, 2s2 2p 3p, 2s2 2p 3d, 2s2 2p 4s, 2s2 2p 4p and 2s2 2p 5s, has been used. Our presented results have been compared with other theoretical and experimental data. The analysis of the weighted oscillator strengths trends allows us to estimate values of missing data along this isoelectronic sequence. We present an analytic form of the weighted oscillator strengths and give an example of its use for interpolating and extrapolating values for the carbon isoelectronic sequence.

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Copyright information

© Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Physics and Astronomy, College of SciencesKing Saud UniversityRiyadhSaudi Arabia
  2. 2.Groupe de Recherche en Physique Atomique et Astrophysique (GRePAA), INSAT, Centre Urbain NordUniversity of CarthageTunisTunisia

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