Abstract
Excitation functions were measured from 0.7 to 2.2 MeV for the α0 -, α1-, α2- and α3-groups at an angle ofθ L=90°. Two broad maxima were found in all four cases, suggesting the existance of resonances in the13C-compound nucleus. A problem, however, arises, as the first maximum appears at a bombarding energy of 1.15 MeV for the α0- and α1-groups, whilst it is shifted to 1.35 MeV in the excitation curves for the α2- and α3-groups. The second maximum appears at 1.85 MeV in all curves. Angular distributions were measured at 7 energies between 1.0 and 2.2 MeV for the α0- and α2-transitions. The coefficients of the first four Legendre polinomials, describing these distributions, are given.
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Wir danken dem Council for Scientific and Industrial Research in Pretoria und dem Finanzausschuß der Universität Pretoria für die Gewährung von Mitteln zur Durchführung dieser Arbeit.
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Friedland, E., Verleger, H. Die Reaktion11B(d, α)9Be im Energiebereich von 0,7 bis 2,2 MeV. Z. Physik 222, 138–143 (1969). https://doi.org/10.1007/BF01392291
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DOI: https://doi.org/10.1007/BF01392291