Abstract
We report measurements of the absolute energies of the hyperfine components of the and levels of atomic cesium, . Using the frequency difference between these components, we determine the hyperfine coupling constants for these states, and report these values with a relative uncertainty of %. We also examine the hyperfine structure of the () states, and resolve the sign ambiguity of the hyperfine coupling constants from previous measurements of these states. We also derive new, high precision values for the state energies of the , and states of cesium.
1 More- Received 3 January 2022
- Accepted 8 February 2022
DOI:https://doi.org/10.1103/PhysRevA.105.022819
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