Highly ionized uranium emission in the soft-x-ray region 50100 a

M. Finkenthal*, S. Lippmann, H. W. Moos, P. Mandelbaum

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Time-resolved uranium spectra emitted from a relatively low-density (ne1013 cm-3), high-temperature (Te1 keV) plasma confined in the Texas experimental tokamak (TEXT) have been recorded in the 50100 A range. It is found that narrow emission bands originating from transitions within charge states having 5p65dk and 5s25pk ground configurations, U xv to U xxxi, dominate these spectra. The identification of the transition arrays is based on the comparison with both ab initio intermediate-coupling relativistic level structure computations including configuration-interaction effects for the simple cases and, for complex charge states, with the predictions of the unresolved transition array model.

Original languageEnglish
Pages (from-to)3717-3720
Number of pages4
JournalPhysical Review A
Volume39
Issue number7
DOIs
StatePublished - 1989
Externally publishedYes

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