Low-lying J=1 states in Cd106

PHYSICAL REVIEW C(2007)

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摘要
The atomic nucleus Cd-106 was studied via the beta-decay of In-106 and using nuclear resonance fluorescence. The decay pattern of five J=1 states and precise lifetimes of three spin 1 states have been deduced. By combining both data sets a candidate for the quadrupole-octupole coupled 1(-) state was identified at 2825 keV. Only this state shows the decay pattern comparable with the known quadrupole-octupole coupled 1(-) states in the other even-even stable cadmium isotopes Cd108-116. For the description of this collective state a good agreement with predictions of the Q-phonon approach using a fermionic configurational space and microscopic calculations on the basis of the random phase approximation was found.
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关键词
configuration space,double beta decay,random phase approximation,beta decay
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