Ground-state spins and moments of <sup>72,74,76,78</sup>Ga nuclei
- Mané, E.
- Cheal, B.
- Billowes, J.
- Bissell, M.
- Blaum, K.
- Charlwood, F.
- Flanagan, K.
- Forest, D.
- Geppert, C.
- Kowalska, M.
- Krieger, A.
- Krämer, J.
- Moore, I.
- Neugart, R.
- Neyens, G.
- Nörtershäuser, W.
- Rajabali, M.
- Sánchez, R.
- Schug, M.
- Stroke, H.
- Vingerhoets, P.
- Yordanov, D.
- Záková, M.
DOIAbstract
Laser spectroscopy was performed on the <sup>72,74,76,78</sup>Ga isotopes at On-Line Isotope Mass Separator (ISOLDE) facility, CERN. Ground-state nuclear spins and moments were extracted from the measured hyperfine spectra. The results are compared to shell-model calculations, which provide a detailed probe of the nuclear wave function. The spin is established from the shape of the hyperfine structure and the parity inferred from a comparison of shell-model calculations with the measured nuclear moments. The ground states of <sup>76,78</sup>Ga are both assigned a spin and parity of Iπ=2<sup>−</sup>, while <sup>74</sup>Ga is tentatively assigned as Iπ=3<sup>−</sup>. For <sup>72</sup>Ga, the results are consistent with the previous I=3 assign...
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