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Benchmarking of JEFF-3.2, FENDL-3.0 and TENDL-2014 evaluated data for tungsten with 14.8 MeV neutrons |
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| Authors: | Suyalatu Zhang Yang-Bo Nie Jie Ren Fei Luo Xi-Chao Ruan Zhi-Qiang Chen Rui Han Temuerbagen Bao Si-Miao Ge |
| Affiliation: | 1. College of Physics and Electronics Information, Inner Mongolia University for the Nationalities, Tongliao 028000,China;2. China Nuclear Data Center, China Institute of Atomic Energy, Beijing 102413, China;3. Institute of Modern Physics, Chinese Academy of Sciences,Lanzhou 730000, China;4. School of Chemical Engineering, Sichuan University,Chengdu 610065, China |
| 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. |
| Keywords: | Integral experiment D-T neutron source Time-of-flight technique Leakage neutron spectrum Monte Carlo simulation Evaluated nuclear data |
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