Excited states in the neutron-rich nucleus F 25

Zs Vajta, M. Stanoiu, D. Sohler, G. R. Jansen, F. Azaiez, Zs Dombrádi, O. Sorlin, B. A. Brown, M. Belleguic, C. Borcea, C. Bourgeois, Z. Dlouhy, Z. Elekes, Zs Fülöp, S. Grévy, D. Guillemaud-Mueller, G. Hagen, M. Hjorth-Jensen, F. Ibrahim, A. KerekA. Krasznahorkay, M. Lewitowicz, S. M. Lukyanov, S. Mandal, P. Mayet, J. Mrázek, F. Negoita, Yu E. Penionzhkevich, Zs Podolyák, P. Roussel-Chomaz, M. G. Saint-Laurent, H. Savajols, G. Sletten, J. Timár, C. Timis, A. Yamamoto

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Abstract

The structure of the nucleus 925F was investigated through in-beam γ-ray spectroscopy of the fragmentation of Ne26 and Na27,28 ion beams. Based on the particle-γ and particle-γγ coincidence data, a level scheme was constructed and compared with shell model and coupled-cluster calculations. Some of the observed states were interpreted as quasi-single-particle states built on top of the closed-shell nucleus O24, while the others were described as states arising from coupling of a single proton to the 2+ core excitation of O24.

Original languageEnglish
Article number054323
JournalPhysical Review C - Nuclear Physics
Volume89
Issue number5
DOIs
StatePublished - May 30 2014

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