Multiply excited states in the two- and three-electron oxygen ion

Dennis L Matthews, W. J. Braithwaite, Hermann H. Wolter, C. Fred Moore

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

High-resolution measurements of x-ray decay from excited states in highly stripped oxygen ions have yielded many transitions not attributable to the Lyman series in hydrogenic oxygen or to the analogous heliumlike oxygen series. These additional transitions are explained by considering the "screening" effects associated with adding a 2s, 2p, or 3p "spectator" electron to configurations governing the single-electron decays in excited heliumlike and lithiumlike oxygen. By comparing Hartree-Fock calculations for term energies, many of the observed transitions can be assigned to the doubly excited configurations 2pnp and 1smsnp in the heliumlike and lithiumlike sequencies, respectively.

Original languageEnglish (US)
Pages (from-to)1397-1402
Number of pages6
JournalPhysical Review A
Volume8
Issue number3
DOIs
StatePublished - 1973
Externally publishedYes

ASJC Scopus subject areas

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

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