Relativistic Configuration-Interaction Photoionization Data for Ne-Like Isoelectronic Sequence

  • O. Abu Haija Applied Physics Department, Tafila Technical University, Tafila, Jordan https://orcid.org/0009-0005-4702-8080
  • G.A. Alna'washi Department of Physics, Faculty of Science, The Hashemite University, Zarqa, Jordan https://orcid.org/0000-0003-2860-7552
  • S.M. Hamasha Department of Physics, Faculty of Science, The Hashemite University, Zarqa, Jordan https://orcid.org/0000-0001-5472-7801
  • M.T. Gning Department of Physics Chemistry, UFR Sciences and Technologies, University Iba Der Thiam, Thies, Senegal; African Center for Applied Atomic and Nuclear Technologies (CAFTANA), Dakar, Senegal https://orcid.org/0000-0003-3456-2717
  • I. Sakho Department of Physics Chemistry, UFR Sciences and Technologies, University Iba Der Thiam, Thies, Senegal; African Center for Applied Atomic and Nuclear Technologies (CAFTANA), Dakar, Senegal https://orcid.org/0000-0003-2983-1396
  • M. Al Shorman Applied Physics Department, Tafila Technical University, Tafila, Jordan https://orcid.org/0009-0005-7760-7681
DOI: https://doi.org/10.26565/2312-4334-2026-1-13
Keywords: Photoexcitation, Resonance energy, Rydberg series, Relativistic configuration-interaction

Abstract

Photoionization data for the 1s2 2s2 2p6 (1S0) ground state of neon like Ca10+, Sc11+, Ti12+, V13+, and Cr14+ ions are reported. The values of ionization threshold limits, resonance energies, quantum defects, transition rates, and oscillator strengths for various Rydberg series are tabulated. The Relativistic configuration-interaction (RCI) approach, implemented in the Flexible Atomic Code (FAC), was employed to perform all calculations. The RCI results for 2s 2p6 (2S1/2) np resonance series show very good agreement with reported values in the literature. In addition, new calculations on K-shell photoexcitations (1s 2s2 2p6 (2S1/2) np) in these ions are reported. These results would be valuable for high-precision spectral modeling in astrophysical or laboratory plasmas.

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Published
2026-03-14
Cited
How to Cite
Abu Haija, O., Alna’washi, G., Hamasha, S., Gning, M., Sakho, I., & Al Shorman, M. (2026). Relativistic Configuration-Interaction Photoionization Data for Ne-Like Isoelectronic Sequence. East European Journal of Physics, (1), 148-155. https://doi.org/10.26565/2312-4334-2026-1-13
Issue
No. 1 (2026): East European Journal of Physics
Section
Original Papers

Copyright (c) 2026 O. Abu-Haija, G.A. Alna'washi, S.M. Hamasha, M.T. Gning, I. Sakho, M. Al Shorman

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