Title: beta-decay properties of Ni-72 and Cu-72
Authors: Thomas, J. -C ×
De Witte, Hilde
Gorska, M
Huyse, Marc
Kruglov, K
Kudryavtsev, Yuri
Pauwels, Dieter
Prasad, N. V. S. V
Van de Vel, Karen
Van Duppen, Piet
Van Roosbroeck, J
Franchoo, S
Cederkall, J
Fynbo, H. O. U
Georg, U
Jonsson, O
Koester, U
Weissman, L
Mueller, W. F
Fedosseev, V. N
Mishin, V. I
Fedorov, D
De Maesschalck, A
Smirnova, N. A #
Issue Date: Nov-2006
Publisher: American physical soc
Series Title: Physical Review C vol:74 issue:5
Article number: 054309
Abstract: The beta-decay properties of Ni-72(28)44 and Cu-72(29)43 have been studied at the LISOL facility of Louvain-La-Neuve and at the CERN-ISOLDE facility, respectively. These neutron-rich nuclei have been produced in the proton-induced fission of U-238. Their decay schemes are presented and the lifetime T-1/2=6.63(3) s of Cu-72 was measured. No beta-decaying isomeric state was found in Cu-72, in line with a suggested spin (2) for its ground state. Spin and parity assignments of the observed excited states in the odd-odd nucleus Cu-72 are proposed and discussed in terms of coupling between the valence proton and neutrons. Comparison is made with a schematic shell-model picture of Cu-72 and with large-scale shell-model calculations performed in the (2p(3/2)1f(5/2)2p(1/2)1g(9/2)) shell space outside the doubly magic Ni-56(28)28 core.
ISSN: 0556-2813
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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