期刊
NUCLEAR PHYSICS A
卷 695, 期 -, 页码 69-81出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0375-9474(01)01096-X
关键词
radioactivity Cu-56 (beta(+)) [from Si-28(S-32, p3n)]; measured E gamma, 1 gamma; deduced beta-intensity and beta-strength distribution; Ni-56 deduced levels J, pi; on-line mass separation; plastic scintillation detectors; Ge detectors; nuclear Structure Ni-56; calculated levels; Gamow-Teller strength; shell model
The proton-rich isotope Cu-56 was produced at the GSI On-Line Mass Separator by means of the Si-28(S-32, p3n) fusion-evaporation reaction. Its beta -decay properties were studied by detecting beta -delayed gamma rays and protons. A half-Life of 93 +/- 3 ms was determined for Cu-56. Compared to the previous work, six new gamma rays and three new levels were assigned to the daughter nucleus Ni-56. The measured Gamow-Teller strength values for five Ni-56 levels are compared to shell-model predictions. (C) 2001 Elsevier Science B.V. ALI rights reserved.
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