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The beta-decay of95Rb and97Rb

  • Nuclei
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Zeitschrift für Physik A Atoms and Nuclei

Abstract

Theβ-decay of 377 ms95Rb and 168ms97Rb has been thoroughly investigated by means ofγ-ray, conversion electron andβ-delayed neutron spectroscopy. More than 97% of theβ-decay to particle-bound states has been placed in level schemes of95Sr and97Sr. High-resolution neutron spectroscopic studies have allowed to extend the knowledge of the excitation spectra up to 9 MeV, respectively 10 MeV. The density of neutron-unbound levels in95Sr and97Sr has been derived from peak stripping analyses of the neutron spectra. Beta-strength functions (S β(E)) have been investigated in detail. They indicate that Gamow-Tellerβ-decay of both precursors is dominated by nuclear structure. The discovered pronounced resonances and the variation in the shape ofS β(E) are compared with predictions from the gross theory ofβ-decay and shell model calculations in the random phase approximation (RPA).

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Author information

Authors and Affiliations

  1. Institut für Kernchemie, Universität Mainz, Germany

    K. -L. Kratz, H. Ohm, A. Schröder, H. Gabelmann & W. Ziegert

  2. Institut Max von Laue-Paul Langevin, Grenoble, France

    B. Pfeiffer & G. Jung

  3. Département de Recherche Fondamentale, Centre d'Etudes Nucléaires de Grenoble, France

    E. Monnand, J. A. Pinston & F. Schussler

  4. Kelvin Laboratory, University of Glasgow, East Kilbride, Scotland

    G. I. Crawford

  5. Department of Nuclear Engineering, University of California, Berkeley, California, USA

    S. G. Prussin & Z. M. de Oliveira

Authors
  1. K. -L. Kratz
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  2. H. Ohm
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  3. A. Schröder
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  4. H. Gabelmann
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  5. W. Ziegert
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  6. B. Pfeiffer
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  7. G. Jung
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  8. E. Monnand
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  9. J. A. Pinston
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  10. F. Schussler
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  11. G. I. Crawford
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  12. S. G. Prussin
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  13. Z. M. de Oliveira
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Additional information

The authors wish to acknowledge stimulating discussions with K. Takahashi and P. Möller. This work was supported by the German Bundesministerium für Forschung and Technologie and by the LLL Contract ENG-4866.

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Kratz, K.L., Ohm, H., Schröder, A. et al. The beta-decay of95Rb and97Rb. Z Physik A 312, 43–57 (1983). https://doi.org/10.1007/BF01411659

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