Highly Deformed Band Structure in 57Co

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Abstract

Rotational bands have been found in 57Co using the 28Si(32S,3p) reaction at 130 MeV. The bands, extending the mass 60 region of large deformation down to Z=27, are signature-partner sequences. Their quadrupole moments are similar to those of bands in the neighboring nuclei. The features of the new bands are described by Skyrme Hartree-Fock calculations favoring a configuration assignment with one neutron and one proton excited in the respective 1g9/2 intruder orbital. An attempt to describe the magnetic (M1) properties of the signature-partner structure is also presented.

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  • Subatomic Physics
Original languageEnglish
Article number034309
JournalPhysical Review C (Nuclear Physics)
Volume65
Publication statusPublished - 2002
Publication categoryResearch
Peer-reviewedYes