Population of high-spin states in 234U by an incomplete-fusion reaction

G. J. Lane*, G. D. Dracoulis, A. P. Byrne, A. R. Poletti, T. R. McGoram

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    19 Citations (Scopus)


    Excited states in 234U have been populated using the incomplete-fusion reaction 232Th(9Be, α3n) at 52 MeV. The emitted γ rays were observed using the CAESAR array, while the α particles were detected with an array of 14 plastic scintillator detectors of phoswich type. This reaction can populate 234U at higher spin than the conventional 232Th(α, 2n) reaction because the "5He" fragment from breakup of the beam can be viewed as initiating a 232Th(5He,3n) reaction. Similar reactions could provide a valuable alternative technique for the study of relatively heavy, neutron-rich isotopes. In the present work, states in the ground-state band of 234U were observed up to Jπ=18+ and previous tentative observations of (9-) and (11-) states in the octupole band were confirmed. A new state at 1366 keV, which is possibly the 8+ member of the γ band, has also been identified.

    Original languageEnglish
    Article number067301
    Pages (from-to)673011-673013
    Number of pages3
    JournalPhysical Review C - Nuclear Physics
    Issue number6
    Publication statusPublished - Dec 1999


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