Abstract
Theg-factor of the 8+ isomer of142Eu with mean lifeτ=9 ns, has been measured by the time-differential perturbedγ ray angular distribution (TDPAD) method. The 8+ isomer was populated with the reaction114Cd(32S,p3n)142Eu at 155 MeV. The obtained valueg(8+)=0.51(3) agrees with shell model calculations using effective single-particle moments taken from neighbouring nuclei. A main configurationπh11/2⊗(vh 11/2)−1 has been confirmed for the 8+ isomer.
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References
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We wish to thank Dr. P. Del Carmine for his skillful collaboration during the measurements and the technical staff of the Laboratori Nazionali di Legnaro for the efficient operation of the Tandem accelerator.