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Triple configuration coexistence in 44 S

Santiago-Gonzalez, D.; Wiedenhover, I.; Abramkina, V.; Avila, M.L.; Baugher, T.; Bazin, D.; Brown, B A; Cottle, P.D.; Gade, A; Glasmacher, Thomas; Simpson, Edward


The neutron-rich N=28 nucleus S44 was studied using the two-proton knockout reaction from Ar46 at intermediate beam energy. We report the observation of four new excited states, one of which is a strongly prolate deformed 4 + state, as indicated by a shell-model calculation. Its deformation originates in a neutron configuration which is fundamentally different from the "intruder" configuration responsible for the ground-state deformation. Consequently, we do not have three coexisting shapes in...[Show more]

CollectionsANU Research Publications
Date published: 2011
Type: Journal article
Source: Physical Review C: Nuclear Physics
DOI: 10.1103/PhysRevC.83.061305
Access Rights: Open Access


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