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Coulomb excitation of 107Sn

Abstract

The radioactive isotope 107Sn was studied using Coulomb excitation at the REX-ISOLDE facility at CERN. This is the lightest odd-Sn nucleus examined using this technique. The reduced transition probability of the lowest-lying \(\ensuremath 3/2^{+}\) state was measured and is compared to shell-model predictions based on several sets of single-neutron energies relative to 100Sn . Similar to the transition probabilities for the \(\ensuremath 2^{+}\) states in the neutron-deficient even-even Sn nuclei, the measured value is underestimated by shell-model calculations. Part of the strength may be recovered by considering the ordering of the \(\ensuremath d_{5/2}\) and \(\ensuremath g_{7/2}\) single-neutron states.

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Communicated by R. Krücken

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License (https://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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DiJulio, D.D., Cederkall, J., Fahlander, C. et al. Coulomb excitation of 107Sn. Eur. Phys. J. A 48, 105 (2012). https://doi.org/10.1140/epja/i2012-12105-7

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  • DOI: https://doi.org/10.1140/epja/i2012-12105-7

Keywords

  • Matrix Element
  • Transition Strength
  • Coulomb Excitation
  • Reduce Transition Probability
  • Doppler Correction