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Journal of the Korean Physical Society 59 (2011) 1529-1532
Measurement of Unbound Excited States of (24)O
K. Tshoo, Y. Satou, T. Nakamura, N. Aoi, H.C. Bhang, S. Deguchi, F. Delaunay1, J. Gibelin1, T. Honda, M. Ishihara, Y. Kawada, Y. Kondo, T. Kobayashi, N. Kobayashi, F.M. Marqués1, M. Matsushita, Y. Miyashita, T. Motobayashi, Y. Nakayama, N.A. Orr1, H. Otsu, H. Sakurai, S. Shimoura, D. Sohler, T. Sumikama, S. Takeuchi, K.N. Tanaka, N. Tanaka, Y. Togano, K. Yoneda, K. Yoshinaga, T. Zheng, Z.H. Li, Z.X. Cao

The unbound excited states of the most neutron-rich oxygen isotope, (24)O (Z = 8, N = 16), have been investigated using the (24)O(p,p')(24)O*-->(23)O+n reaction at RIKEN, where a 63 MeV/neuclon secondary beam of (24)O was produced in a Be production target by the projectile-like fragmentation of a 95 MeV/u (40)Ar primary beam. The first 2(+) excited state was observed in the invariant mass spectrum. This experiment; will give us a deeper understanding of the new magic number at N = 16 in the neutron-rich oxygen isotopes.
1 :  LPCC - Laboratoire de Physique Corpusculaire de Caen
structure nucléaire
Physique/Physique Nucléaire Expérimentale
Nuclear structure – Neutron-rich nuclei – Magic number – (p – p ') reaction