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Subshell Closure at N = 56 in Very Neutron-Rich Bromine Isotopes

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Nuclear Structure of the Zirconium Region

Part of the book series: Research Reports in Physics ((RESREPORTS))

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Abstract

The existence of a nuclear subshell closure at N = 56 has been derived by us several years ago from the systematics of nuclear binding energies, which were calculated from experimental Qβ-values |1|. This effect was shown to exist for nuclei with 37 ≦ Z ≦ 42. For nuclei with proton number Z ≧ 43, no such subshell closure is observed. In a later measurement of the Qβ-value of 9336 Kr57 it was found that for Z = 36, the submagic behaviour at N = 56 is still present |2|. But according to a recent theoretical calculation, this effect should vanish for the bromine isotopes (Z = 35) |3|

This work has been funded by the German Federal Minister of Research and Technology (BMFT) under the contract number 06 BS 452 I.

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References

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Authors and Affiliations

  1. Institut für Metallphysik und Nukleare Festkörperphysik, Technische Universität, Mendelssohnstr. 3, D-3300, Braunschweig, Germany

    M. Graefenstedt, U. Keyser, F. Münnich & F. Schreiber

Authors
  1. M. Graefenstedt
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  2. U. Keyser
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  3. F. Münnich
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  4. F. Schreiber
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Consortia

The LOHENGRIN and OSTIS Collaboration

The ISOLDE Collaboration

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Editors and Affiliations

  1. Institut für Kernphysik, Universität zu Köln, Zülpicher Straße 77, D-5000, Köln 41, Fed. Rep. of Germany

    Jürgen Eberth

  2. Nuclear Chemistry Division, Lawrence Livermore National Laboratory, CA 94550, Livermore, USA

    Richard A. Meyer

  3. Institut für Kernphysik, Kernforschungsanlage Jülich, Postfach 1913, D-5170, Jülich, Fed. Rep. of Germany

    Kornelius Sistemich

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© 1988 Springer-Verlag Berlin Heidelberg

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Graefenstedt, M., Keyser, U., Münnich, F., Schreiber, F., The LOHENGRIN and OSTIS Collaboration., The ISOLDE Collaboration. (1988). Subshell Closure at N = 56 in Very Neutron-Rich Bromine Isotopes. In: Eberth, J., Meyer, R.A., Sistemich, K. (eds) Nuclear Structure of the Zirconium Region. Research Reports in Physics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-73958-3_32

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  • DOI: https://doi.org/10.1007/978-3-642-73958-3_32

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-50120-6

  • Online ISBN: 978-3-642-73958-3

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