Precision determination of the ground-state hyperfine separation inusing the ion-storage technique
- 1 June 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 17 (6) , 1999-2004
- https://doi.org/10.1103/physreva.17.1999
Abstract
By an optical double-resonance experiment on , suspended in a rf quadrupole trap, we determined the ground-state hyperfine separation. Linewidths as small as 4 Hz have been observed. The final result of Hz includes corrections to zero magnetic field and zero kinetic energy. The accuracy of the result and possible improvements lead to the feasibility of a new frequency standard in the microwave region.
Keywords
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