Reduced Transition Probabilities for the Gamma Decay of the 7.8 eV Isomer in ^{229}Th.

  title={Reduced Transition Probabilities for the Gamma Decay of the 7.8 eV Isomer in ^\{229\}Th.},
  author={Nikolay Minkov and Adriana P{\'a}lffy},
  journal={Physical review letters},
  volume={118 21},
The reduced magnetic dipole and electric quadrupole transition probabilities for the radiative decay of the ^{229}Th 7.8  eV isomer to the ground state are predicted within a detailed nuclear-structure model approach. We show that the presence and decay of this isomer can only be accounted for by the Coriolis mixing emerging from a remarkably fine interplay between the coherent quadrupole-octupole motion of the nuclear core and the single-nucleon motion within a reflection-asymmetric deformed… 

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