Uncertainty estimation in neutron TOF measurements with ANNRI

To improve data accuracy of neutron-capture and total cross sections of minor actinides and long-lived fission products, the time-of-flight experimental instrument named ”Accurate Neutron-Nucleus Reaction measurement Instrument” was constructed, and neutron time-of-flight experiments have been perfo...

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Bibliographic Details
Published in:EPJ Web of conferences 2023, Vol.281, p.25
Main Authors: Kimura, Atsushi, Nakamura, Shoji, Endo, Shunsuke
Format: Article
Language:English
Subjects:
Absorption cross sections
Actinides
Fission products
Neutron beams
Nuclear capture
Nuclear cross sections
Proton accelerators
Uncertainty
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Description
Summary:To improve data accuracy of neutron-capture and total cross sections of minor actinides and long-lived fission products, the time-of-flight experimental instrument named ”Accurate Neutron-Nucleus Reaction measurement Instrument” was constructed, and neutron time-of-flight experiments have been performed with an intense pulsed-neutron beam at MLF in J-PARC. Detailed analysis methods and deduced uncertainties for capture and total cross-section measurements are presented using an example of the experiments of 243 Am. The deduced uncertainties are categorized into five types.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/202328100025