Identification of excited states in226U

Author(s): Greenlees, PT; Amzal, N; Butler, PA; Cann, KJ; Cocks, JFC; Hawcroft, D; Jones, GD; Page, RD; Andreev, A; Enqvists, T; Fallon, P; Gall, B; Guttormsen, M; Helariutta, K; Hessberger, PP; Hoellinger, F; Jones, P; Julin, R; Juutinen, S; Kankaanpaa, H; Kettunen, H; Kuusiniemi, P; Leino, M; Messelt, S; Muikku, M; Savelius, A; Schiller, A; Siem, S; Trzaska, WH; Tveter, T; Uusitalo, J | Abstract: Two experiments have been performed at the Accelerator Laboratory of the Department of Physics, University of Jyvaskyla, Finland, and are reported here. The first experiment was a recoil-decay tagging study intended to delineate the level scheme of 226U for the first time. The subsequent experiment, the observation of fine structure in the a decay of 230Pu, was to obtain an improved measurement of the excitation energy of the first excited 2+ state, which was tentatively assigned in the first experiment.