2007
DOI: 10.1103/physrevc.75.017302
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β decay ofNa32

Abstract: The β-decay of 32 Na has been studied using β-γ coincidences. New transitions and levels are tentatively placed in the level scheme of 32 Mg from an analysis of γ -γ and β-γ -γ coincidences. The structure of nuclei along the valley of stability is well understood in terms of the traditional magic numbers, corresponding to large gaps in single-particle energy levels of nucleons in realistic mean-field theories including a spin-orbit interaction. The evolution of the shell closures far from stability is, howeve… Show more

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Cited by 37 publications
(15 citation statements)
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“…This would establish the limit of the N=20 "island of inversion". However, as we shall see in the next section, the very large depopulation of the 0f 7/2 orbit in 36 Mg indicates that before leaving the N=20 "island of inversion" we enter the N=28 "island of inversion", and that both islands are actually merged in a single one. These arguments apply as well to the 3p-3h excitations in the N=21 isotopes, that we expect very low in energy.…”
Section: The Physics At Fixed N ωmentioning
confidence: 88%
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“…This would establish the limit of the N=20 "island of inversion". However, as we shall see in the next section, the very large depopulation of the 0f 7/2 orbit in 36 Mg indicates that before leaving the N=20 "island of inversion" we enter the N=28 "island of inversion", and that both islands are actually merged in a single one. These arguments apply as well to the 3p-3h excitations in the N=21 isotopes, that we expect very low in energy.…”
Section: The Physics At Fixed N ωmentioning
confidence: 88%
“…It follows from the above discussion that the configuration with four neutrons in the pf -shell and two neutron holes in the sd-shell maximizes the quadrupole moment and, a fortiori the quadrupole correlation energy. Therefore one should expect the 2p-2h configuration to be also dominant in 34 Mg. On the contrary one expects the 0p-0h one to begin taking over in 36 Mg. This would establish the limit of the N=20 "island of inversion".…”
Section: The Physics At Fixed N ωmentioning
confidence: 97%
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“…Weakly populated levels in the 31 Na decay appear at 945 and 1029 keV (thin black lines). The levels at 461, 945, 1154, and 1390 keV are populated via the βdelayed neutron decay from 32 Na [19,26,27] (dashed red lines).…”
Section: Review Of Experimental Observables For 31 Mgmentioning
confidence: 99%