Ground-state spins and moments of (72,74,76,78)Ga nuclei
- Mane, E.
- Cheal, B.
- Billowes, J.
- Bissell, M.L.
- Blaum, K.
- Charlwood, F.C.
- Flanagan, K.T.
- Forest, D.H.
- Geppert, C.
- Kowalska, M.
- Krieger, A.
- Kramer, J.
- Moore, I.D.
- Neugart, R.
- Neyens, G.
- Nortershauser, W.
- Rajabali, M.M.
- Sanchez, R.
- Schug, M.
- Stroke, H.H.
- Vingerhoets, P.
- Yordanov, D.T.
- Zakova, M.
DOIAbstract
Laser spectroscopy was performed on the (72,74,76,78)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 (76,78)Ga are both assigned a spin and parity of I(pi) = 2(-), while (74)Ga is tentatively assigned as I(pi) = 3(-). For (72)Ga, the results are consistent with the previous I = 3 assignment
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