Abstract
States in21Ne up to 6.3 MeV have been investigated by means of the18O(α,nγ)2Ne reaction. The γ-decay of individual levels was studied in coincidence with neutrons by using a neutron time-of-flight spectrometer. Revised branching ratios are given for the states at 5.34, 5.63, 5.82 and 6.03 MeV. Neutron-gamma angular distribution measurements yielded the following Jπ assignments: 5.34∶7/2−, 5/2+; 5.63∶(3/2, 7/2); 5.78∶(3/2, 5/2); 6.03∶9/2−; 6.18∶(5/2,7/2); and 6.27∶(7/2, 9/2). The results are discussed in the frameworkoftheNilsson model.
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Work supported by the Bundesministerium für wissenschaftliche Forschung und Deutsche Forschungsgemeinschaft.
The authors wish to express their thanks to G.Busch and the operating staff of the Van de Graaff generator for their cooperation. They are indebted to P. Betz who built the neutron time-of-flight spectrometer. The help of Ms. Harise Stein and Ms. Sylvia Harris, both at Stanford, who respectively typed the manuscript and made the drawings, is greatfully acknowledged. The calculations were performed using the IBM 7040 computer of the Rechenzentrum der Universität Freiburg, West Germany.
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Kuhlmann, E., Hoffmann, A. & Albrecht, W. High spin states in21Ne. Z. Physik 271, 49–57 (1974). https://doi.org/10.1007/BF01676400
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DOI: https://doi.org/10.1007/BF01676400