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Abstract The total neutron cross sections of 93Nb in keV energy region were determined by transmission measurements with the filtered neutron beams from the horizontal channel No. 4 of the… Click to show full abstract
Abstract The total neutron cross sections of 93Nb in keV energy region were determined by transmission measurements with the filtered neutron beams from the horizontal channel No. 4 of the Dalat research reactor. The natural niobium samples (100% 93Nb abundance) with a diameter of 20 mm and different thicknesses of 0.0411, 0.0854, 0.1397, 0.2251 and 0.2662 atoms/barn, were prepared from a high purity metallic cylindrical rod. By extrapolating the experimental transmission parameters to the condition of zero thickness, the results of neutron induced total cross sections are 8.50 ± 0.29, 9.13 ± 0.29, 9.79 ± 0.41 and 9.6 ± 0.17 barns, respectively, for the neutron energy beams of 24, 54, 133 and 148 keV. These present results of measurements are compared with the evaluated and literature values.
Journal Title: Annals of Nuclear Energy
Year Published: 2018
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