Abstract

The theoretical interpretation of Cs ii has been extended and now includes the 5p5ns (n = 6–12), 5p5np (n = 6–8), 5p5nd (n = 5–11), 5p5nf (n = 4–8), 5p5ng (n = 5–10), and 5p5nh (n = 6–8) configurations. Most levels are well represented in the single-configuration approximation when far configuration interactions are included through effective electrostatic parameters. Explicit interactions of low-lying 5p5nd + 5p5(n + 1)s configurations have been determined. For most configurations, good jK coupling is found. Purities of the levels in jK coupling and the LS composition of the eigenvectors are given. The intermediate-coupling eigenvectors have been used to calculate magnetic-dipole hyperfine-splitting factors, and these are compared with 167 experimentally determined values from our earlier work.

© 1988 Optical Society of America

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