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Phys. Rev. C 67, 034308 (2003) [10 pages]

T=0 neutron-proton pairing correlations in the superdeformed rotational bands around 60Zn

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J. Dobaczewski1,2, J. Dudek2, and R. Wyss3
1Institute of Theoretical Physics, Warsaw University, Hoża 69, PL-00681 Warsaw, Poland
2Institut de Recherches Subatomiques, UMR7500, CNRS-IN2P3 and Université Louis Pasteur, F-67037 Strasbourg Cedex 2, France
3KTH-Kärnfysik, Frescativ. 24, S-104 05 Stockholm, Sweden

Received 26 July 2002; published 18 March 2003

The superdeformed bands in 58Cu, 59Cu, 60Zn, and 61Zn are analyzed within the frameworks of the Skyrme-Hartree-Fock as well as Strutinsky-Woods-Saxon total Routhian surface methods with and without T=1 pairing correlations between like particles. It is shown that a consistent description within these standard approaches cannot be achieved. A T=0 neutron-proton pairing configuration mixing of signature-separated bands in 60Zn is suggested as a possible solution to the problem.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.67.034308
DOI:
10.1103/PhysRevC.67.034308
PACS:
21.30.Fe, 21.60.Ev, 21.60.Jz