One- and two-photon transitions between neighboring Rydberg states of rubidium with principal quantum numbers ranging from n = 50 to n = 63 have been studied. From these transition frequencies, corresponding to wavelengths in the centimeter domain, new values for quantum defects and fine- and hyperfine-structure splittings were obtained. The hyperfine structure of the 2S1/2 states was resolved up to n = 59. The data are compared with optically determined spectroscopic parameters, and fair agreement is found in most cases.
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Comparison with optically determined parameters.
Ref. 1, Table 6. The authors of this reference give different values for analyzing different subsets of their measurements. The first case includes all terms from n = 5 (2S1/2) or n = 4 (2Dj), the second only those above n = 15. In the second case, only two terms of expansion (2) were used. 2S1/2 and parameters correspond to the centers of gravity of the hyperfine and fine-structure doublets, respectively.
Ref. 10.
Table 3
Fine-Structure (fs) and Hyperfine-Structure (hfs) Intervals of 85Rb and 87Rb Measured in This Work
These values were obtained by analyzing the measured fine-structure intervals of Ref. 2, listed in Table II, p. 512, by the same methods as in this work.
Ref. 18, p. 590.
In Ref. 1, the linear relationship log Δhfs versus log n* is shown in Fig. 7, p. 2152. These values were obtained by a graphical analysis of this figure.
Tables (4)
Table 1
Transition Frequencies Observed between Highly Excited85 R States with 50 ≤ n ≤ 63
Comparison with optically determined parameters.
Ref. 1, Table 6. The authors of this reference give different values for analyzing different subsets of their measurements. The first case includes all terms from n = 5 (2S1/2) or n = 4 (2Dj), the second only those above n = 15. In the second case, only two terms of expansion (2) were used. 2S1/2 and parameters correspond to the centers of gravity of the hyperfine and fine-structure doublets, respectively.
Ref. 10.
Table 3
Fine-Structure (fs) and Hyperfine-Structure (hfs) Intervals of 85Rb and 87Rb Measured in This Work
These values were obtained by analyzing the measured fine-structure intervals of Ref. 2, listed in Table II, p. 512, by the same methods as in this work.
Ref. 18, p. 590.
In Ref. 1, the linear relationship log Δhfs versus log n* is shown in Fig. 7, p. 2152. These values were obtained by a graphical analysis of this figure.