Ground-state spins and moments of Ga-72,Ga-74,Ga-76,Ga-78 nuclei

E Mane, B Cheal, J Billowes, ML Bissell, K Blaum, FC Charlwood, KT Flanagan, David Forest, C Geppert, M Kowalska, A Krieger, J Kraemer, ID Moore, R Neugart, G Neyens, W Noertershaeuser, MM Rajabali, R Sanchez, M Schug, HH StrokeP Vingerhoets, DT Yordanov, M Zakova

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Laser spectroscopy was performed on the Ga-72,Ga-74,Ga-76,Ga-78 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 Ga-76,Ga-78 are both assigned a spin and parity of I-pi = 2(-), while Ga-74 is tentatively assigned as I-pi = 3(-). For Ga-72, the results are consistent with the previous I = 3 assignment.
Original languageEnglish
Pages (from-to)024303
Number of pages1
JournalPhysical Review C
Issue number2
Publication statusPublished - 1 Aug 2011


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