Abstract

The 4d⁹–4d⁸5p transition array of nine-times ionized xenon at 130–160 Å was photographically observed with the National Bureau of Standards 10.7-m grazing-incidence vacuum spectrograph. The spectral source was a high-voltage spark between carbon electrodes triggered by insertion of a small quantity of xenon. Forty-seven lines were classified as transitions from 34 levels of the 4d⁸5p configuration to the two levels of the 4d^{9 2}D ground term. An excellent correlation was found between the observed and calculated relative intensities. Least-squares-fitted parameter values and their ratios to the Hartree–Fock values are given.

© 1983 Optical Society of America

Analysis of the 4d⁹–4d⁸5p transitions in eleven-times ionized barium (Ba xii)

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