Coulomb excitation of Sn-107

Douglas DiJulio, Joakim Cederkäll, Claes Fahlander, A. Ekstrom, M. Hjorth-Jensen, M. Albers, V. Bildstein, A. Blazhev, I. Darby, T. Davinson, H. De Witte, J. Diriken, Ch. Fransen, K. Geibel, R. Gernhaeuser, A. Gorgen, H. Hess, J. Iwanicki, R. Lutter, P. ReiterM. Scheck, M. Seidlitz, S. Siem, J. Taprogge, G. M. Tveten, J. Van de Walle, D. Voulot, N. Warr, F. Wenander, K. Wimmer

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The radioactive isotope Sn-107 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 3/2(+) state was measured and is compared to shell-model predictions based on several sets of single-neutron energies relative to Sn-100. Similar to the transition probabilities for the 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 d(5/2) and g(7/2) single-neutron states.
Original languageEnglish
Article number105
JournalEuropean Physical Journal A. Hadrons and Nuclei
Issue number7
Publication statusPublished - 2012

Subject classification (UKÄ)

  • Subatomic Physics


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