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Rotational bands in73Br: The disappearance of shape coexistence in72Se

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

By means of the reaction40Ca (36Ar, 3p), the band structure of73Br connected with the g9/2 single-particle proton orbit has been investigated up to Iπ=33/2+. In contrast to the core spectrum in72Se, which is dominated by the coexistance of different shapes, the nucleus73Br features rotational bands with slowly increasing moments of inertia. Their deformation β2=0.40(2) has been deduced from recoil distanc lifetime measurements.

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Authors and Affiliations

  1. II. Physikalisches Institut, Universität Göttingen, D-3400, Göttingen, Federal Republic of Germany

    B. Wörmann, J. Heese, K. P. Lieb, L. Lühmann & F. Raether

  2. Hahn-Meitner-Institut für Kernforschung mbH, D-1000, Berlin 39, Germany

    D. Alber, H. Grawe & B. Spellmeyer

Authors
  1. B. Wörmann
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  2. J. Heese
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  3. K. P. Lieb
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  4. L. Lühmann
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  5. F. Raether
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  6. D. Alber
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  7. H. Grawe
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  8. B. Spellmeyer
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Additional information

Supported by the German Bundesministerium für Forschung und Technologie

The authors are indepted to W.Nazarevicz and R. Bengtsson for stimulating discussions; they also gratefully acknowledge the help of C.J. Lister and his group in one of the experiments.

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Wörmann, B., Heese, J., Lieb, K.P. et al. Rotational bands in73Br: The disappearance of shape coexistence in72Se. Z Physik A 322, 171–172 (1985). https://doi.org/10.1007/BF01412032

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  • DOI: https://doi.org/10.1007/BF01412032

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