Elsevier

Nuclear Physics A

Volume 183, Issue 1, 20 March 1972, Pages 177-196
Nuclear Physics A

A study of the odd-A rhenium isotopes: 179Re and 177Re

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Abstract

Gamma-rays following 172Yb(11B, 4n)179Re and 169Tm(12C, 4n)177Re reactions have been studied with Ge(Li) detectors. Rotational bands based on the 12[541], 52+ [402] and92[514] states have been populated. A pronounced variation in the energies of the quasiparticle levels is apparent although the quadrupole deformation of the isotopes below mass 183 is expected to be fairly constant. It is suggested that the variation is related to the changing hexadecapole moments of these nuclei.

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    Present address: Dept. of Nucl. Phys., Research School of Physical Sciences, The Australian National University, Canberra.

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