Abstract
Spectra of Yb IV produced with a low voltage sliding spark discharge were photographed in the range of 700-2200 Å with a 10.7 m normal incidence spectrograph. Wavelengths for 944 spectral lines identified as Yb IV were measured. Of these, 535 were classified as transitions between 95 even and 51 odd energy levels of the 4f (13), 4f (12)5d, 4f (12)6s, and 4f (12)6p configurations. Values for the interaction parameters were derived by a least squares fit to the known levels.
Cite
CITATION STYLE
Sugar, J., Kaufman, V., & Spector, N. (1978). Spectrum and energy levels of triply ionized ytterbium. Journal of Research of the National Bureau of Standards, 83(3), 233. https://doi.org/10.6028/jres.083.014
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