Abstract
Spectra of highly ionized Er, Yb, Hf, W, and Pt were observed by injecting these elements into the plasma of the TEXT tokamak. Resonance lines of the 4d10–4d94f transition array in the Pd i isoelectronic sequence were identified by comparison with plots of observed-minus-calculated transition energies. These plots were based on data previously known through Ho21+. They were fitted to low-order polynomials that permitted accurate predictions of wavelengths to Bi37+. In addition, resonance lines of Zn-like Er38+ and Hf42+ were observed.
© 1993 Optical Society of America
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