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Mass spectroscopy of13Be

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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

The mass of 13 Be has been measured with the reaction 13 C(14 C,14 O)13 Be at E Lab =337 MeV. A Q-value of Q 0=−37.02(5) MeV was obtained and the mass excess is M.E.=35.16(5) MeV. If the observed line corresponds to the ground state,13 Be is particle unstable with respect to the oneneutron emission by 2.01 MeV. The observed line width of 0.3(2) MeV supports an assignment ofJ π=5/2+ or 1/2−, but excludesJ π=1/2+. An excited state is seen at 3.12(7) MeV; there are indications of a second excited state at 6.5(2) MeV.

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Authors and Affiliations

  1. Bereich Schwerionenphysik, Hahn-Meitner-Institut Berlin GmbH, Glienicker Strasse 100, W-1000, Berlin 39, Federal Republic of Germany

    A. N. Ostrowski, H. G. Bohlen, B. Gebauer, Ch. Langner, M. von Lucke-Petsch, W. von Oertzen, A. A. Ogloblin, M. Wilpert & Th. Wilpert

  2. Laboratory of Nuclear Physics, Joint Institute for Nuclear Research, Head Post Office, P.O. Box 79, 101 000, Moscow, Russia (CIS.)

    R. Kalpakchieva & Y. E. Penionzhkevich

  3. Kurchatov-Institute, Moscow, Russia (C.I.S.)

    A. S. Demyanova

  4. Theoretische Physik, Sektion Physik der Universität, Theresienstrasse 37, W-8000, München 2, Federal Republic of Germany

    H. Lenske

Authors
  1. A. N. Ostrowski
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  2. H. G. Bohlen
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  3. A. S. Demyanova
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  4. B. Gebauer
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  5. R. Kalpakchieva
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  6. Ch. Langner
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  7. H. Lenske
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  8. M. von Lucke-Petsch
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  9. W. von Oertzen
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  10. A. A. Ogloblin
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  11. Y. E. Penionzhkevich
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  12. M. Wilpert
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  13. Th. Wilpert
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Ostrowski, A.N., Bohlen, H.G., Demyanova, A.S. et al. Mass spectroscopy of13Be. Z. Physik A - Hadrons and Nuclei 343, 489–490 (1992). https://doi.org/10.1007/BF01289828

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  • DOI: https://doi.org/10.1007/BF01289828

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