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Decay properties of the new proton-rich nucleus104Sn: Mass determinations beyond the proton drip line

  • Nuclei
  • Published:
Zeitschrift für Physik A Atoms and Nuclei

Abstract

The new proton-rich nucleus104Sn was produced in a50Cr(58Ni, 2p2n)104Sn reaction. Its half-life was measured to be 21±1s. From a newly established partial decay scheme, aQ EC value of 4,000 +650−300 keV was estimated. The resulting mass excess value for104Sn, combined with decay energies for α and proton emission, leads to mass excess values for the nuclei108Te,109I,112Xe, and113Cs. These mass values are compared to predictions of mass formulae.

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Author information

Author notes

  1. V. T. Koslowsky

    Present address: Chalk River Nuclear Laboratories, KOJ 1JO, Chalk River, Ontario, Canada

  2. P. O. Larsson

    Present address: RIFA AB, S-16381, Stockholm, Sweden

Authors and Affiliations

  1. GSI Darmstadt, Germany

    G. -E. Rathke, K. Rykaczewski, R. Kirchner, O. Klepper, V. T. Koslowsky, E. Roeckl & D. Schardt

  2. University of Manchester, UK

    I. S. Grant

  3. Chalmers University of Technology, Göteborg, Sweden

    P. O. Larsson

  4. University of Warsaw, Poland

    A. Płochocki & J. Żylicz

  5. II. Physikalisches Institut der Universität Göttingen, Germany

    P. Tidemand-Petersson

Authors
  1. G. -E. Rathke
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  2. K. Rykaczewski
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  3. R. Kirchner
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  4. O. Klepper
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  5. V. T. Koslowsky
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  6. E. Roeckl
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  7. D. Schardt
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  8. I. S. Grant
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  9. P. O. Larsson
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  10. A. Płochocki
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  11. J. Żylicz
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  12. P. Tidemand-Petersson
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Additional information

On leave of absence from Institute of Experimental Physics, University of Warsaw, PL-00681 Warsaw, Poland

It is a pleasure to thank C. Bruske, K.H. Burkard and W. Hüller for their help in operating the on-line mass separator and the UNILAC operating group for providing excellent58Ni beams.

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Rathke, G.E., Rykaczewski, K., Kirchner, R. et al. Decay properties of the new proton-rich nucleus104Sn: Mass determinations beyond the proton drip line. Z Physik A 321, 599–603 (1985). https://doi.org/10.1007/BF01432436

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  • DOI: https://doi.org/10.1007/BF01432436

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