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Nuclear magnetic moment of 57Cu ground state

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Abstract.

The nuclear magnetic moment of the ground state of 57Cu(Iπ = 3/2-, T1/2 = 196.3 ms) has been measured to be |μ(57Cu)| = (2.00 ±0.05) μN using the β-NMR technique. Together with the known magnetic moment of the mirror partner 57Ni, the spin expectation value was extracted as \(\langle\sum\sigma_z\rangle\) = -0.78 ± 0.13. Discrepancy between present results and shell model calculations in the full fp shell implies significant shell breaking at 56Ni with the neutron number N = 28.

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Minamisono, K., Mantica, P., Mertzimekis, T. et al. Nuclear magnetic moment of 57Cu ground state. Eur. Phys. J. Spec. Top. 150, 145–146 (2007). https://doi.org/10.1140/epjst/e2007-00289-1

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  • DOI: https://doi.org/10.1140/epjst/e2007-00289-1

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