The first six members of the 6s 2ng series of Pbii were fitted to a polarization formula, from which the series limit was determined to be 121 245.14 ± 0.05 cm−1. This value is in good agreement with that determined from the same series by an extended Ritz formula, as is also the case with the nf, ng, and nh series of Mgii, the nf series of Csi, and the ng series of Pbi. The polarization parameters empirically determined from the ng series of Pbii were used to predict level values for the nh series, six members of which were subsequently found.
© 1976 Optical Society of America
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