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Spectroscopy of 32Ne and the "œIsland of Inversion"
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2009 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 103, no 3, 032501-1-032501-4 p.Article in journal (Refereed) Published
Abstract [en]

We report on the first spectroscopic study of the N = 22 nucleus 32Ne at the newly completed RIKEN Radioactive Ion Beam Factory. A single γ-ray line with an energy of 722(9) keV was observed in both inelastic scattering of a 226 MeV=u 32Ne beam on a carbon target and proton removal from 33Na at 245 MeV=u. This transition is assigned to the deexcitation of the first Jπ = 2+ state in 32Ne to the 0+ ground state. Interpreted through comparison with state-of-the-art shell-model calculations, the low excitation energy demonstrates that the ‘‘island of inversion’’ extends to at least N = 22 for the Ne isotopes.

Place, publisher, year, edition, pages
American Physical Society, 2009. Vol. 103, no 3, 032501-1-032501-4 p.
National Category
Subatomic Physics
Research subject
Nuclear Physics
URN: urn:nbn:se:uu:diva-223483DOI: 10.1103/PhysRevLett.103.032501OAI: oai:DiVA.org:uu-223483DiVA: diva2:713146
Available from: 2014-04-22 Created: 2014-04-22 Last updated: 2014-04-23Bibliographically approved

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Publisher's full texthttp://link.aps.org/doi/10.1103/PhysRevLett.103.032501

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Lantz, Mattias
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