Abstract
The hyperfine structure (hfs) of the 5d ,137Ba ions has been measured by collinear fast-beam laser-rf double-resonance spectroscopy, completing the high-precision hfs data for the metastable ,5/2 doublet. hfs constants, corrected for second-order hfs perturbation, are deduced and compared with the results of many-body perturbation theory. Nuclear quadrupole moments are extracted.
- Received 16 September 1985
DOI:https://doi.org/10.1103/PhysRevA.33.2117
©1986 American Physical Society