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Closed Access item Coupling of valence particles/holes to 68,70Ni studied via measurements of the B(E2) strength in 67,69,70Ni and 71Cu

Authors:Mach, H.
Lewitowicz, M.
Stanoiu, M.
Becker, F.
Blomqvist, J.
García Borge, María José
Boutami, R.
Cederwall, B.
Dlouhy, Z.
Fogelberg, B.
Fraile, Luis M.
Georgiev, G.
Grawe, H.
Grzywacz, R.
Johansson, P. I.
Klamra, W.
Lukyanov, S.
Mineva, M.
Mrazek, J.
Neyens, G.
Oliveira Santos, F. de
Pfützner, M.
Penionzhkevich, Yu. E.
Ramström, E.
Sawicka, M.
Issue Date:19-May-2003
Citation:Nuclear Physics A 719: 213c-216c (2003)
Abstract:We have measured by means of the Advanced Time-Delayed γγ(t) method the half-lives of the following levels: 694 keV in 67Ni, 915 keV and 2552 keV in 69Ni, 2677 keV in 70Ni and 2622 keV in 71Cu. Measurements were performed using an array of four small BaF2 detectors at the LISE spectrometer in GANIL following the fragmentation of 76Ge. It constitutes the first application of such technique to exotic nuclei. A close agreement between the experimentally deduced B(E2) rates and the shell model predictions confirm the model interpretation of the μs isomers in 69,70i and 71Cu.
Publisher version (URL):http://dx.doi.org/10.1016/S0375-9474(03)00920-5
Appears in Collections:(CFMAC-IEM) Artículos

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