The low-spin level scheme of 68Ni was investigated following two-neutron-knockout and multinucleon-transfer reactions. The energy of the first excited state was determined to be Ex(02+)=1603.5(3) keV. Relative B(E2) transition probabilities were deduced and compared with shell-model calculations using several modern effective interactions. Theory reproduces the data well, but indicates substantial mixing of multi-particle, multi-hole configurations for the lowest observed 0+ and 2 + states. © 2013 American Physical Society.
Configuration mixing and relative transition rates between low-spin states in 68Ni
RECCHIA, FRANCESCO;
2013
Abstract
The low-spin level scheme of 68Ni was investigated following two-neutron-knockout and multinucleon-transfer reactions. The energy of the first excited state was determined to be Ex(02+)=1603.5(3) keV. Relative B(E2) transition probabilities were deduced and compared with shell-model calculations using several modern effective interactions. Theory reproduces the data well, but indicates substantial mixing of multi-particle, multi-hole configurations for the lowest observed 0+ and 2 + states. © 2013 American Physical Society.
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