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Beta-delayed gammas and QEC-values in the decays of150m,152mHo and149Dy

  • Nuclear Structure and Reactions
  • Published:
Zeitschrift für Physik A Atomic Nuclei

Abstract

150m, 152mHo, and149Dy were produced by fusion-evaporation reactions of40Ar with targets of natural indium and114Cd. Theβ-decays of the isotopes were reinvestigated with emphasis on high-excitation daughter states. The decay energies for selectedβ-transitions were measured from electron-capture to positron-decay ratios. Corrections forγ-feeding from higher-lying states were taken into account. The following QEC-values were derived for150mHo,152mHo, and149mDy of 6819 ( +117−100 , 6263 ( +89−80 ), and 3914 ( +76−52 ) keV, respectively.

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Authors and Affiliations

  1. II. Physikalisches Institut der Universität Göttingen, Bunsenstrasse 7-9, D-3400, Göttingen, Federal Republic of Germany

    H. Salewski, K. Becker, W. -D. Schmidt-Ott, T. Hild, F. Meissner & E. Runte

  2. Hahn-Meitner-Institut, D-1000, Berlin 39, Germany

    R. Michaelsen

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  1. H. Salewski
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  2. K. Becker
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  3. W. -D. Schmidt-Ott
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  4. T. Hild
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  5. F. Meissner
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  6. E. Runte
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  7. R. Michaelsen
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Additional information

This work has been supported by the German Federal Minister for Research and Technology (BMFT) under the contract number 06GO105

We wish to express our gratitude to the GSI target laboratory for the preparation of targets for our experiment.

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Salewski, H., Becker, K., Schmidt-Ott, W.D. et al. Beta-delayed gammas and QEC-values in the decays of150m,152mHo and149Dy. Z. Physik A - Atomic Nuclei 337, 161–168 (1990). https://doi.org/10.1007/BF01294287

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  • DOI: https://doi.org/10.1007/BF01294287

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