Core-excited smoothly terminating band in 114Xe

E. S. Paul, A. J. Boston, H. J. Chantler, P. J. Nolan, M. P. Carpenter, R. V.F. Janssens, F. G. Kondev, D. Seweryniak, C. J. Chiara, D. B. Fossan, T. Koike, K. Starosta, D. R. LaFosse, A. M. Fletcher, J. C. Lisle, D. Patel, J. F. Smith, W. Reviol, D. G. Sarantites, R. WadsworthA. N. Wilson, I. Ragnarsson

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)

    Abstract

    High-spin states have been studied in neutron-deficient 54114Xe, populated through the 58Ni(58Ni,2p) fusion-evaporation reaction at 230 MeV. The Gammasphere γ-ray spectrometer has been used in conjunction with the Microball charged-particle detector in order to select evaporation residues of interest. The yrast band has been greatly extended to a tentative spin of 52hℏ and shows features consistent with smooth band termination. This band represents the first evidence for a core-excited (six-particle, two-hole) proton configuration above Z = 53.

    Original languageEnglish
    Article number051308
    Pages (from-to)513081-513084
    Number of pages4
    JournalPhysical Review C - Nuclear Physics
    Volume65
    Issue number5
    DOIs
    Publication statusPublished - May 2002

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