Strong configuration mixing among the fine-structure levels of Cl+

N.C. Deb, Derrick Crothers, Z. Felfli, A.Z. Msezsane

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11 Citations (Scopus)


A large-scale configuration interaction (Cl) calculation using Program CIV3 of Hibbert is performed for the lowest 62 fine- structure levels of the singly charged chlorine ion. Our calculated energy levels agree very well with most of the NIST results and confirm the identification of the lowest P-1(o) as actually 3s(2)3p(3)(D-2(o))3d P-1(o) rather than the generally employed 3s3p(5) P-1(o) in measurements and calculations. Discrepancies in the energy positions of some symmetries are found and discussed. Some large oscillator strengths for allowed and intercombination transitions in both length and velocity gauges are presented. Their close agreement gives credence to the accuracy of our CI wavefunctions.
Original languageEnglish
Pages (from-to)L47-L55
Number of pages9
JournalJournal of Physics B: Atomic Molecular and Optical Physics
Issue number2
Publication statusPublished - 28 Jan 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Atomic and Molecular Physics, and Optics


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