Abstract
Integral experiments on tungsten slab samples were carried out on the D-T neutron source facility at China Institute of Atomic Energy. Leakage neutron spectra from the irradiated tungsten target were measured by the time-of-flight technique. Accuracy of the nuclear data for tungsten was examined by comparing the measured neutron spectra with the leakage neutron spectra simulated using the MCNP-4C code with evaluated nuclear data of the JEFF-3.2, FENDL-3.0 and TENDL-2014 libraries. The results show that the calculations with JEFF-3.2 agree well with the measurements in the whole energy range and all angles, whereas the spectra calculated with FENDL-3.0 and TENDL-2014 have some discrepancies with the experimental data.
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This work was supported by the National Natural Science Foundation of China (No. 11605097, 91426301, and 11605257), Doctoral Scientific Research Foundation of Inner Mongolia University for the Nationalities (No. BS365) and the “ADS project 302” of the Chinese Academy of Sciences (No. XDA03030200).
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Zhang, S., Nie, YB., Ren, J. et al. Benchmarking of JEFF-3.2, FENDL-3.0 and TENDL-2014 evaluated data for tungsten with 14.8 MeV neutrons. NUCL SCI TECH 28, 27 (2017). https://doi.org/10.1007/s41365-017-0192-0
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DOI: https://doi.org/10.1007/s41365-017-0192-0