Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2002-10-31
Phys.Rev. C67 (2003) 044314
Physics
Nuclear Physics
Nuclear Theory
4 pages, 4 figures
Scientific paper
10.1103/PhysRevC.67.044314
We calculate the B(E2) strength in 68Ni and other nickel isotopes using several theoretical approaches. We find that in 68Ni the gamma transition to the first 2+ state exhausts only a fraction of the total B(E2) strength, which is mainly collected in excited states around 5 MeV. This effect is sensitive to the energy splitting between the fp shell and the g_{9/2}orbital. We argue that the small experimental B(E2) value is not strong evidence for the double-magic character of 68Ni.
Dean David J.
Langanke Karlheinz
Nazarewicz Witek
Nowacki Frederic
Terasaki J.
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