Observation of the decay of a new isotope Cu57 and its mirror transition

T. Shinozuka, M. Fujioka, H. Miyatake, M. Yoshii, H. Hama, T. Kamiya

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19 Citations (Scopus)


The decay of Cu282957 produced with the Ni58(p,2n) reaction was identified by a 1112-keV ray occurring in its daughter nucleus Ni57 and the half-life and + end-point energy were measured to be 22316 ms and 7720130 keV, respectively, applying a technique of fast transportation of irradiated targets. The logft value and Gamow-Teller matrix element of the ground-to-ground mirror transition of Cu282957(Tz=-12)'Ni292857(Tz=12) was deduced to be logft=3.710.05 and=0.370.11. The present results indicate a large reduction of from the single particle value (1.291) although Cu57 is a nucleus obtained by adding one proton to the Ni282856 core.

Original languageEnglish
Pages (from-to)2111-2114
Number of pages4
JournalPhysical Review C - Nuclear Physics
Issue number6
Publication statusPublished - 1984


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