Extended calculations of energy levels, radiative properties, AJ, BJ hyperfine interaction constants, and Landé gJ-factors for Nitrogen-like Se XXVIII

Wang, K. and Wang, Y. and Zhang, C.Y. and Zhao, X.H. and Chen, Z.B. and Si, R. and Chen, C.Y. and Yan, J. (2018) Extended calculations of energy levels, radiative properties, AJ, BJ hyperfine interaction constants, and Landé gJ-factors for Nitrogen-like Se XXVIII. Journal of Quantitative Spectroscopy and Radiative Transfer, 220. 5 - 27. ISSN 0022-4073 (https://doi.org/10.1016/j.jqsrt.2018.08.018)

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Abstract

Employing two state-of-the-art methods, multiconfiguration Dirac–Fock and second-order many-body perturbation theory, highly accurate calculations are performed for the lowest 316 fine-structure levels arising from the 2s22p3, 2s2p4, 2p5, 2s22p23l, 2s2p33l, 2p43l, and 2s22p24l configurations in nitrogen-like Se XXVIII. Complete and consistent atomic data, including excitation energies, lifetimes, wavelengths, hyperfine structures, Landé gJ-factors, and E1, E2, M1, M2 line strengths, oscillator strengths, and transition rates among these 316 levels are provided. Comparisons are made between the present two data sets, as well as with other available experimental and theoretical values. Previous measured lines of Se XXVIII are affected by large errors for some transitions, and should be remeasured. The present calculations provide a consistent and accurate data set for line identification and modeling purposes, which can also be considered as a benchmark for other calculations. The present data are accurate enough for identification and deblending of emission lines involving the n=3,4 levels, and are also useful for modeling and diagnosing fusion plasmas.

  • Item type:Article
    ID code:82952
    Dates:
    Date
    Event
    1 November 2018
    Published
    22 August 2018
    Published Online
    20 August 2018
    Accepted
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:27 Oct 2022 08:16
    Last modified:09 Apr 2024 03:34
    URI:https://strathprints.strath.ac.uk/id/eprint/82952
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