Evaluation of the 103Rh neutron cross-section data in the unresolved resonance region for improved criticality safety
Year: 2007
Type: conference-paper
Abstract: New capture and transmission measurements have been performed at GELINA to improve the neutron induced cross-section data for 103 Rh in the resonance region.This contribution refers to the evaluation of the neutron cross-section data of 103 Rh in the unresolved resonance region.The capture measurements were done at a 30 m measurement station using C 6 D 6 detectors and applying the total energy detection principle in combination with the pulse height weighting technique.The transmission measurements were performed at a 50 m station using 6 Li-glass scintillators as neutron detectors.The experimental data have been processed with the AGS code, which includes a full propagation of both correlated and uncorrelated uncertainties.The experimental data are interpreted in terms of average resonance parameters using a generalized single level representation.A link to a dispersive coupled-channel optical model is used for information about the energy dependence of the distant level parameters and the neutron strength functions.This link becomes especially valuable when a dispersive potential as the one derived here is employed after being optimized in a wide energy region.Thus, the consistency between the resonance and the high energy region is ensured.
DOI: 10.1051/ndata:07617
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: gold
OpenAlex ID: W2125073762