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

Abstract : 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.
Mots-clés : QUADRUPOLE-MOMENTS GA-74
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http://hal.in2p3.fr/in2p3-00623487
Contributor : Christine Hadrossek <>
Submitted on : Wednesday, September 14, 2011 - 1:43:52 PM
Last modification on : Thursday, November 19, 2020 - 2:04:06 PM

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E. Mane, B. Cheal, J. Billowes, M.L. Bissell, K. Blaum, et al.. Ground-state spins and moments of (72,74,76,78)Ga nuclei. Physical Review C, American Physical Society, 2011, 84, pp.024303. ⟨10.1103/PhysRevC.84.024303⟩. ⟨in2p3-00623487⟩

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