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Abstract:
Using the GCM method and taking the coupling between collective octupolevibration and noncollective particle-hole configurations into account, the quadrupole moment Q(3-), the reduced octupole transition probability B(E3) and the variation of the transition density ρtr3 with respect to the radial distance are calculated. We found that Q(3-)-0.098eb and B(E3) =38 w.u.. It is shown that the desired results can be obtained by taking the core-excitation into account microscopically in the GCM framework without introducing the usual effective charge of nucleons.
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