Invariant Mass Spectroscopy of 23O via the (p, p′) Reaction in Inverse Kinematics

Y. Satou, K. Tshoo, H. Bhang, S. Choi, J. W. Hwang, T. Nakamura, Y. Kondo, Y. Nakayama, N. Kobayashi, K. N. Tanaka, S. Deguchi, Y. Kawada, N. Tanaka, T. Motobayashi, H. Sakurai, H. Otsu, N. Aoi, S. Takeuchi, K. Yoneda, Y. ToganoM. Ishihara, S. Shimoura, T. Kobayashi, M. Matsushita, T. Honda, T. Sumikama, Y. Miyashita, K. Yoshinaga, N. A. Orr, F. M. Marques, J. Gibelin, F. Delaunay, D. Sohler, T. Zheng, Z. H. Li, Z. X. Cao

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


The neutron-rich oxygen isotope 23O has been investigated via proton inelastic scattering on a liquid hydrogen target at 63. 5 MeV/nucleon. The invariant mass method in inverse kinematics was employed to reconstruct the energy spectrum. A sharp resonance state was observed at 42(5) keV above the neutron threshold. A comparison of the differential cross section leading to this state with a microscopic DWBA calculation allowed a Jπ assignment of 5/2+ for this state.

Original languageEnglish
Pages (from-to)287-290
Number of pages4
JournalFew-Body Systems
Issue number1-4
Publication statusPublished - 2013 Mar

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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