Abstract
The lifetimes of several transitions in the ground-state rotational bands (g.s.r.b.) of 164Yb and 162Yb have been measured. The (40Ar, 4n) reaction has been used and the recoil-distance Doppler-shift method employed. The deduced B(E2) values are compared with those of the rigid-rotor model. The quadrupole moments and deformation parameters are determined.
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