Excited states of the 64 Cu (Z = 29, N = 35) nucleus have been probed using heavy-ion induced fusion evaporation reaction and an array of Compton suppressed Clovers as detection system for the emitted γ rays. More than 50 new transitions have been identified and the level scheme of the nucleus has been established upto an excitation energy Ex ∼ 6 MeV and spin ∼ 10. The experimental results have been compared with those from large basis shell model calculations that facilitated an understanding of the single particle configurations underlying the level structure of the nucleus.
Charged particle activation of natural CeO 2 with -80 MeV 1607+ results in the formation of carrier free isotopes, 151,152,153Dy and their daughter products, 151,152,~53Tb, in the matrix. The liquid cation exchanger, HDEHP, has effectively been utilised as an extractant in the quantitative separation of the activation products namely 151,152,153Dy, 151,152,153Tb from the bulk target matrix ofceric oxide.
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