Abstract
Neutron spectrum correction has been attempted for the k0-factors of the non-1/v elements which are affected neutron spectrum difference. Effective g-factors and Westcott g-factors, which are neutron spectrum correction factors obtained from an actual neutron spectrum and the Maxwellian distribution, respectively, for the non-1/v elements were calculated using their neutron cross section data of JENDEL-3.2. The neutron spectrum correction was made for the measured k0-factors of the non-1/v elements such as Cd, Sm and Gd with the cold and thermal guided neutron beams of JRR-3M using the g-factors. The corrected k0-factors between the cold and thermal neutron beams using both g-factors for both neutron beams agreed well for Cd. However, 9 to 44% deviations have been found for Sm and Gd, respectively.
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Matsue, H., Yonezawa, C. Neutron spectrum correction of k0-factors for k0-based neutron-induced prompt gamma-ray analysis. Journal of Radioanalytical and Nuclear Chemistry 255, 125–129 (2003). https://doi.org/10.1023/A:1022244217832
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DOI: https://doi.org/10.1023/A:1022244217832