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Alpha-anisotropy studies of near spherical nuclei at ISOLDE

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Abstract

An extensive on-line nuclear orientation study of the angular distribution in favoured α-decay of Bi, At and Rn nuclei near the Z=82 and N=126 shell closures, performed at ISOLDE is presented. Surprisingly large αanisotropies were observed, showing systematic changes from one isotope to the next. Comparison with various theoretical models proves that anisotropic α-emission in favoured decays of near-spherical nuclei is determined by the structure of the decaying nucleus.

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Authors and Affiliations

  1. Instituut voor Kern- en Stralingsfysica, K.U. Leuven, B-3001, Leuven, Belgium

    P. Schuurmans & N. Severijns

  2. Institut de Physique Nucléaire, UniversitéLyon, F-69621, Villeurbanne, France

    I. Berkes

  3. Institut für Strahlen- und Kernphysik, Universität Bonn, D-53115, Bonn, Germany

    P. Herzog

Authors
  1. P. Schuurmans
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  2. I. Berkes
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  3. P. Herzog
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  4. N. Severijns
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Schuurmans, P., Berkes, I., Herzog, P. et al. Alpha-anisotropy studies of near spherical nuclei at ISOLDE. Hyperfine Interactions 129, 163–173 (2000). https://doi.org/10.1023/A:1012657715807

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