Abstract
The investigation of the 1s HFS provides a good possibility for testing QED effects in a combination of a strong electric and magnetic field. Here, we report about the laserspectroscopic measurements of the ground state hyperfine splitting in 207Pb81+. To handle this M1-transition in the infrared optical regime with its long lifetime, we developed a new detection technique using a bunched ion beam. For the observation of fluorescence light, a new mirror system is adapted to the emission characteristics from an ion beam at relativistic velocities.
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Seelig, P., Dax, A., Faber, S. et al. Laser spectroscopy of the 1s HFS of H-like ions at a bunched beam in the storage ring ESR. Hyperfine Interactions 114, 135–139 (1998). https://doi.org/10.1023/A:1012618404459
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DOI: https://doi.org/10.1023/A:1012618404459