High-spin structures of51121,123,125,127 Sb nuclei: Single proton and core-coupled states

M. G. Porquet, Ts Venkova, R. Lucas, A. Astier, A. Bauchet, I. Deloncle, A. Prévost, F. Azaiez, G. Barreau, A. Bogachev, N. Buforn, A. Buta, D. Curien, T. P. Doan, L. Donadille, O. Dorvaux, G. Duchêne, J. Durell, Th Ethvignot, B. P J GallD. Grimwood, M. Houry, F. Khalfallah, W. Korten, S. Lalkovski, Y. Le Coz, M. Meyer, A. Minkova, I. Piqueras, N. Redon, A. Roach, M. Rousseau, N. Schulz, A. G. Smith, O. Stézowski, Ch Theisen, B. J. Varley

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The 121,123,125,127 Sb nuclei have beeen Produced as fission fragments in three reactions induced by heavy ions: 12C + 238U at 90 MeV bombarding energy, 18O + 208Pb at 85 MeV, and 31P + 176Yb at 152 MeV. Their level schemes have been built from gamma rays detected using the EUROBALL III and IV arrays. High-spin states of 123,125,127Sb nuclei have been identified for the first time. Moreover isomeric states lying around 2.3 MeV have been established in 123,125,127Sb from delayed coincidences between the fission fragment detector SAPhIR and the gamma array. All the observed states can be described by coupling a d5/2 or g7/2 proton to an excited Sn core involving either vibrational states or broken neutron pairs. © Società Italiana di Fisica / Springer-Verlag 2005.
    Original languageEnglish
    Pages (from-to)39-49
    Number of pages10
    JournalEuropean Physical Journal A
    Volume24
    Issue number1
    DOIs
    Publication statusPublished - 2005

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