Abstract
The neutron-deficient rhenium isotopes166–170Re were investigated using reactions of32S with monoisotopic141Pr targets. Gamma-rays following theβ-decays of166–169Re were measured for the first time. Four newα-rays with energies of 4.70,4.83, 4.87, and 5.02 MeV were detected in addition to the known 5.50, 5.26, and 5.06 MeVα-rays. Alpha-decaying isomer pairs were discovered in167Re and169Re. The measured half-lives are 2.3(2)s for166Re, 3.4(4)s and 6.2(5)s for167Re, 4.4(1)s for168Re, 8.1(5)s and 16.3(8)s for169Re, and 9.2(2)s for170Re. The nuclear structure is discussed in terms of single-particle states.
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This work has been funded by the German Federal Minister for Research and Technology (BMFT) under contract number 06GÖ105
We like to thank the target laboratory of the GSI Darmstadt for the help in preparing the praseodymium targets.
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Meissner, F., Salewski, H., Schmidt-Ott, W.D. et al. Revision of the decay data of166–170Re, including new isomers167m,169mRe. Z. Physik A - Hadrons and Nuclei 343, 283–292 (1992). https://doi.org/10.1007/BF01291527
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DOI: https://doi.org/10.1007/BF01291527