Abstract
A systematic disagreement has been found between the results of the deformed shell model calculations and the phenomenological Grodzins estimate for nuclear deformations in the even-even rare-earth nuclei. As a rule, the Grodzins formula overpredicts deformations for N>82 and gives too small values for N<82. The authors have shown that these discrepancies can be explained by the N and Z dependence of the pairing field. Assuming the calculated deformations and the microscopic pairing gaps the experimentally observed behaviour of the nuclear moments of inertia is reproduced.
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More From: Journal of Physics G: Nuclear and Particle Physics
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