Abstract
The energies and relative intensities of the gamma rays depopulating the first gamma-vibrational level in160Dy were determined using Ge(Li) detectors. Special care was given to the determination of the intensities of the 682-, 765-, 872-, 962-, and 1069-keV gamma rays. From the measured intensities the reducedE2 transition probability ratios were calculated for the transitions between the gamma band and ground-state band. The deduced Z2×103 values are: 51.9±3.5, 38.7±3.6, 31.6±5.3, 34.5±5.9, and 42.0±7.2, with an average value of 39.7±3.5. The internal conversion coefficients of the 682- and 765-keV transitions are also shown to be consistent with the theoreticalE2 values.
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This work has been supported in part by the U.S. Atomic Energy Commission through the Associated Western Universities, Inc.
We express our thanks to R. L. Heath and Dr. C. W. Reich at the National Reactor Testing Station, Idaho, for their kind hospitality and the use of their equipment. We would also like to thank R. J. Gehrke for his helpful discussions concerning the techniques and accuracies involved in the energy and intensities calibrations of Ge(Li) detectors.
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McAdams, R.E., Otteson, O.H. The mixing parameter for the mixing of gamma-vibrational and ground-state bands in160Dy. Z. Physik 250, 359–369 (1972). https://doi.org/10.1007/BF01379748
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DOI: https://doi.org/10.1007/BF01379748