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|Title:||Neutron inelastic scattering off 232Th: measurements and beyond|
|Authors:||PARTY E.; BORCEA CATALIN; DESSAGNE P.; DOLIGEZ XAVIER; HENNING G.; KERVENO M.; NEGRET A.; NYMAN MARKUS; OLACEL A.; PLOMPEN ARJAN|
|Citation:||EPJ Web of Conferences vol. 211 p. 03005 (7 pp)|
|ISSN:||2100 014X (online)|
|Type:||Articles in periodicals and books|
|Abstract:||Gamma production cross sections have been obtained for 81 transitions in 232Th from (n,n’g), 11 in 231Th from (n,2ng) and 7 in 230Th from (n,3ng) reactions using prompt gamma spectroscopy. Incident neutron energies were determined using the neutron time-of-flight technique. Sources of uncertainty have been examined and their correlations have been computed. Total uncertainty on cross sections ranges from 4 to 20%. Obtained cross sections are in agreement with prior experiments, but are not well reproduced by the TALYS-1.8 reaction code using default parameters. During analysis, discrepancies between our findings and the Evaluated Nuclear Structure Data File (ENSDF) were noted. Future work related to the present experiment includes: improving theoretical models, quantifying the influence of the 232Th inelastic neutron cross section on reactor core parameters, and conducting additional measurements.|
|JRC Directorate:||Nuclear Safety and Security|
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