Physics
Scientific paper
Mar 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..aprc11007c&link_type=abstract
American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #C11.007
Physics
Scientific paper
The nuclei ^65,67Cu were studied in reactions between a 430-MeV ^64Ni beam and a thick ^238U target with the Gammasphere array. Decay schemes for both nuclei have been extended, with spin and parity assignments constrained by gamma-ray angular distributions and correlations. Positive-parity structures, based on p3/2 protons coupled to negative-parity Ni core states, have been identified above the known 9/2^+ states. In ^67Cu, a negative-parity dipole band built upon a πf7/2-1 state has been observed, as were two shorter negative-parity sequences. A qualitative description of the level structures has been obtained through comparison with odd-A Cu systematics and neighboring even-even Ni and Zn cores. Shell-model calculations using JUN45 and jj44b effective interactions were performed for ^65,67Cu; the successes and limitations of the calculations will be discussed.
Broda R.
Carpenter M. P.
Chiara C. J.
Fornal Bartosz
Hecht A. A.
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