Abstract
We observed the Zeeman-splitting of the 6S 1/2 – 6P 1/2 resonance transition of Ba+-ions (493.4 nm) in a 6T magnetic field. The ions were stored in a Penning quadrupole trap. We polarized the ground state by optical pumping and in a microwave-optical double resonance experiment we measured the ground state Zeeman-splitting. From the resonance frequency and the cyclotron frequency of electrons stored in the same trap we derived theg-factor of the 6S 1/2 state. The result isg J(6S 1/2)=2.002 490 6(11), in reasonable agreement with recent calculations.
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Knab, H., Knöll, K.H., Scheerer, F. et al. Experimental ground stateg J-factor of Ba+ in a Penning ion trap. Z Phys D - Atoms, Molecules and Clusters 25, 205–208 (1993). https://doi.org/10.1007/BF01426881
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DOI: https://doi.org/10.1007/BF01426881