Assessing the role of the (n, γ f) process in the low-energy fission of actinides
1 Nuclear Physics Group, Theoretical Division, Los Alamos National Laboratory, Los Alamos, USA
2 P-27, Physics Division, Los Alamos National Laboratory, USA
3 CEA, DEN, DER, SPRC, LEPh, Cadarache, F-13108 Saint-Paul-lez-Durance, France
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Published online: 21 June 2016
We review the role of the (n, γ f) process in the low-energy neutron-induced fission reaction of 239Pu. Recent measurements of the average total γ-ray energy released in this reaction were performed with the Detector for Advanced Neutron Capture Experiments (DANCE) at Los Alamos. Significant fluctuations of this quantity in the resonance region below 100 eV can be interpreted by invoking the presence of the indirect (n, γ f) process. Modern calculations of the probability for such an event to occur are presented.
© The Authors, published by EDP Sciences, 2016
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