Abstract

We report measurements of the Ba 5d5/2nd J = 4 states with emphasis on the two series above the 5d3/2 limit. These two series appear as a regular series of doublets exhibiting asymmetric profiles of finite width. We have fitted the observed spectra above the 5d3/2 limit using the quantum defect parameters obtained from the interseries interaction below the 5d3/2 limit using the Lee and Lu form of quantum defect theory and an adaptation of the Cooke and Cromer method. Both methods give identical fits to the data, and they predict differences in other observable parameters.

© 1989 Optical Society of America

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