A characterisation of cylindrical samples by Neutron Resonance Transmission Analysis (NRTA) at the GELINA facility of JRC Geel (Belgium) is presented. The samples were designed and produced for reactivity worth measurements in the MINERVE reactor of CEA Cadarache (France). NRTA was applied to determine the nuclide composition of UO2, Al2O3 and liquid samples that were doped with silver. The volume number densities of 238U, 107Ag and 109Ag obtained by NRTA are within 2 % fully consistent with the values that are quoted by the manufacturer. In addition, the NRTA data reveal a tungsten contamination which is not reported by the provider. It is shown that such a contamination contributes by up to 5.7 % to the reactivity worth.
SALAMON Lino;
GESLOT B.;
HEYSE Jan;
KOPECKY Stefan;
LECONTE D.;
NOGUERE Gilles;
PARADELA DOBARRO Carlos;
SCHILLEBEECKX Peter;
SNOJ L.;
2020-11-27
EDP Sciences
JRC122593
2100-014X (online),
2101-6275 (print),
https://publications.jrc.ec.europa.eu/repository/handle/JRC122593,
10.1051/epjconf/202023901022 (online),
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