title: Spectroscopy of 32Ne and the "Island of Inversion".
abstract: We report on the first spectroscopic study of the N=22 nucleus 32Ne at the newly completed RIKEN Radioactive Ion Beam Factory. A single gamma-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 Jpi=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.
authors: RIKEN Nishina Center, Wako, Saitama 351-0198, Japan.
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authors: Scheit
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authors: Takeuchi
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authors: Takeshita
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authors: Wang
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authors: Fukuda
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authors: Itahashi
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authors: Kondo
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authors: Yanagisawa
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