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Decay of the heaviest isotope of neodymium:154Nd

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The neutron-rich isotope154Nd has been separated from235U fission products with the HELIum-jet On-line mass Separator HELIOS and investigated by γ-singles, γγ- and γX-coincidence measurements. The Z- and A-assignment have been confirmed by the observation of promethium KX-rays and by the genetic relationship to the daughter product 1.7-min154Pm. A half-life of 26±2 s has been obtained for154Nd, and a partial decay scheme is proposed. A 40 s activity previously assigned to154Nd could not be confirmed.

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References

  1. K. Buchtela, Atomkernenergie22, 268 (1974)

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  2. A.K. Mazumdar aet al., Nucl. Instr. Meth.186, 131 (1981)

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Authors and Affiliations

  1. Institut für Kernchemie, Universität Mainz, D-6500, Mainz, Federal Republic of Germany

    T. Karlewski, N. Hildebrand, G. Herrmann, N. Kaffrell & N. Trautmann

  2. Gesellschaft für Schwerionenforschung, D-6100, Darmstadt, Federal Republic of Germany

    M. Brügger

Authors
  1. T. Karlewski
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  2. N. Hildebrand
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  3. G. Herrmann
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  4. N. Kaffrell
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  5. N. Trautmann
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  6. M. Brügger
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Additional information

Part of a doctoral thesis, Universitat Mainz, to be submitted

The authors express their gratitudes to A.K. Mazumdar, H. Wagner and W. Walcher for discussions. Financial support from GSI Darmstadt is gratefully acknowledged.

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Karlewski, T., Hildebrand, N., Herrmann, G. et al. Decay of the heaviest isotope of neodymium:154Nd. Z Physik A 322, 177–178 (1985). https://doi.org/10.1007/BF01412035

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  • DOI: https://doi.org/10.1007/BF01412035

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