Abstract
Using the atomic beam magnetic resonance method, precision measurements of the hyperfine structure and Zeeman interactions have been performed in the ground state 4f 126s 2 3 H 6 of167Er. The experimental data were analyzed using an effective operator parametrized in the space of states of the ground state multiplet. It yielded eight effective hyperfine structure and Zeeman interaction constants which served to calculate the seven hyperfine separations of the ground state. The results are:
From the effective Zeeman interaction constants it was possible to determine an improvedg I -value, uncorrected for atomic diamagnetism:
Furthermore a hexadecapole interaction corresponding to a diagonal hexadecapole interaction constant
could be established which is of the order of magnitude expected from Coulomb excitation experiments as well as theoretical calculations.
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Thanks are due to the Deutsche Forschungsgemeinschaft for financial support.
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Foerster, W., Böklen, K.D., Fuchs, H.H. et al. Detection of a hexadecapole interaction in the atomic ground state3 H 6 of167Er. Z Physik A 315, 1–11 (1984). https://doi.org/10.1007/BF01436202
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DOI: https://doi.org/10.1007/BF01436202