Highly deformed band structure in 57 Co
نویسندگان
چکیده
Rotational bands have been found in Co using the Si(S,3p) reaction at 130 MeV. The bands, extending the mass 60 region of large deformation down to Z527, 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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