Measurement of leakage neutron spectra for zirconium with D-T neutrons and validation of evaluated nuclear data

Zhang, S.; Song, N.; Wang, J. C.; Nie, Y.; Ruan, X.; Ren, J.; Wang, D. X.; Huang, M.; Lu, L.; Chen, Z.; Ding, Y.; Zhang, K.; Chen, H.; Wada, R.; Han, R.; Sun, Q.

doi:10.1016/j.fusengdes.2019.111311

Measurement of leakage neutron spectra for zirconium with D-T neutrons and validation of evaluated nuclear data

Journal Article · Fri Sep 27 00:00:00 EDT 2019 · Fusion Engineering and Design

DOI:https://doi.org/10.1016/j.fusengdes.2019.111311· OSTI ID:1782217

Zhang, S. ^[1]; Song, N. ^[2]; Wang, J. C. ^[2]; ^[3]; Ruan, X. ^[3]; Ren, J. ^[3]; Wang, D. X. ^[2]; Huang, M. ^[2]; Lu, L. ^[2]; Chen, Z. ^[4]; Ding, Y. ^[3]; Zhang, K. ^[3]; Chen, H. ^[3]; Wada, R. ^[5]; Han, R. ^[4]; Sun, Q. ^[4]

Inner Mongolia University for Nationalities, Tongliao (China); China Institute of Atomic Energy, Beijing (China). Key Laboratory of Nuclear Data; Inner Mongolia University for Nationalities, Tongliao (China); Cyclotron Institute, Texas A&M University, TX (United States)
Inner Mongolia University for Nationalities, Tongliao (China); Inner Mongolia University for Nationalities, Tongliao (China)
China Institute of Atomic Energy, Beijing (China). Key Laboratory of Nuclear Data
Chinese Academy of Sciences (CAS), Lanzhou (China). Institute of Modern Physics
Texas A & M Univ., College Station, TX (United States). Cyclotron Institute

Integral neutronics experiments have been a powerful tool and method for examining the reliability of evaluated nuclear data. In the present paper, the accuracy of evaluated nuclear data for Zirconium has been validated by comparing measured leakage neutron spectra with calculated ones. Leakage neutron spectra from the irradiation of D-T neutrons on Zirconium samples were experimentally measured at 60° and 120° by using a time-of-flight method. Theoretical calculations are carried out by Monte Carlo neutron transport code MCNP-4C with evaluated nuclear data of the ENDF/B-VII.0, ENDF/B-VIII.0, JENDL-4.0 and CENDL-3.1 libraries. From the comparisons, it is found that the calculations with JENDL-4.0 gives better agreements with the experiments at 60° while a large discrepancies are observed in the 4–13.5 MeV energy range at 120°. However, the calculated spectra using the data from ENDF/B-VII.0, ENDF/B-VIII.0 and CENDL-3.1 libraries showed some discrepancies with the measured ones, especially caused by the difference of the elastic and inelastic angular distributions and the secondary neutron energy distributions in the continuum inelastic scattering.

View Accepted Manuscript (DOE)

Research Organization:: Texas A & M Univ., College Station, TX (United States). Cyclotron Institute

Sponsoring Organization:: Doctoral Scientific Research Foundation of Inner Mongolia University for Nationalities; National Natural Science Foundation of China (NNSFC); Natural Science Foundation of Inner Mongolia; USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: FG02-93ER40773

OSTI ID:: 1782217

Journal Information:: Fusion Engineering and Design, Journal Name: Fusion Engineering and Design Vol. 149; ISSN 0920-3796

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Integral experiment
Leakage neutron spectra
Nuclear data library
Zirconium

Measurement of leakage neutron spectra for zirconium with D-T neutrons and validation of evaluated nuclear data

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References (20)

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