High-resolution resonance study of the12C+n total cross section in the region of13CT=3/2 states |
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| Authors: | F Hinterberger P von Rossen S Cierjacks G Schmalz |
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| Institution: | 1. Institut für Strahlen- und Kernphysik, Universit?t Bonn, Federal Republic of Germany
3. Institut für Kernphysik, Kernforschungszentrum Karlsruhe, Federal Republic of Germany
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| Abstract: | The12C+n total cross section has been studied in the region of the lowestT=3/2 states of13C. The firstT=3/2 state at (15108.2±1.2) keV excitation is observed as a weak resonance anomaly. The deduced resonance parameters agree with previous results. At higher excitation energies four sharp anomalies have been observed at (17534±3) keV, (18082±3) keV, (20057±4) keV and (21703±4) keV excitation with total widths between 12 keV and 20 keV. The results are discussed with respect to a possibleT=3/2 assignment. An upper limit of the elasticity (J+1/2) Γno/gG is deduced for thoseT=3/2 levels which do not appear as resonance anomalies. |
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