Abstract
Using the facilities of the Darmstadt electron linear accelerator the cross section for the excitation of the 7.66 MeV level in Carbon-12 was measured for momentum transfers between 0.25 and 0.55 fm−1. Extrapolation of the measured cross sections for vanishing momentum transfer yields a partial width for the decay to the ground state through internal pair production of (7.3±1.3)·10−5 eV. The dependence of the reduced transition probability on momentum transfer is discussed and compared with theoretical predictions.
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Wir danken Herrn Professor Dr. P.Brix herzlich für alle Hilfe und zahlreiche Diskussionen. Allen Mitarbeitern der Beschleunigergruppe sei für ihre Hilfe beim Betrieb des Beschleunigers gedankt. Die Arbeit wurde durch Mittel des Bundesministeriums für wissenschaftliche Forschung gefördert.
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Gudden, F., Strehl, P. Anregung des 7,66 MeV-Niveaus in Kohlenstoff-12 durch unelastische Elektronenstreuung. Z. Physik 185, 111–122 (1965). https://doi.org/10.1007/BF01380909
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DOI: https://doi.org/10.1007/BF01380909