Benchmark experiments with slab sample using time-of-flight technique at CIAE

被引：12

作者：

Nie, Yangbo ^{[1
]}

Ren, Jie ^{[1
]}

Ruan, Xichao ^{[1
]}

Ding, Yanyan ^{[1
]}

Zhang, Kai ^{[1
]}

Chen, Zhigiang ^{[2
]}

Zhang, Suyalatu ^{[3
]}

Lin, Zuokang ^{[4
]}

Bao, Jie ^{[1
]}

Huang, Hanxiong ^{[1
]}

Li, Xia ^{[1
]}

Han, Rui ^{[1
,2
]}

Sun, Qi ^{[2
]}

Zhou, Zuying ^{[1
]}

机构：

[1] China Inst Atom Energy, Key Lab Nucl Data, Beijing 102413, Peoples R China

[2] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China

[3] Inner Mongolia Univ Nationalities, Coll Phys & Elect Informat, Tongliao 028000, Peoples R China

[4] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

来源：

ANNALS OF NUCLEAR ENERGY | 2020年 / 136卷

基金：

中国国家自然科学基金;

关键词：

Benchmark experiment; Evaluated nuclear data; Neutron leakage spectrum; Time-of-flight technique; D-T neutron source; MCNP-4C; C/E value; D-T NEUTRONS; LEAKAGE SPECTRA EXPERIMENT; EVALUATED NUCLEAR-DATA; VALIDATION; SCATTERING; BERYLLIUM; URANIUM; LIBRARY; TH-232;

D O I：

10.1016/j.anucene.2019.107040

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

In order to make benchmark validation of the nuclear data for Carbon (C), Beryllium (Be), Iron (Fe), Gallium (Ga), Tungsten (W), Thorium (Th), and Uranium (U) in existing modern evaluated nuclear data files, neutron leakage spectra in the range from 0.8 to 15 MeV from slab samples were measured by time-of-flight technique with a BC501A scintillation detector. The measurements were performed by using a D-T neutron source at China Institute of Atomic Energy (CIAE). The thicknesses of the slabs were 0.5 to 2.5 mean free path for 14.8 MeV neutrons, and the measured angles were chosen to be about 60 degrees and 120 degrees. The measured spectra were compared with those calculated by the continuous energy Monte-Carlo transport code MCNP-4C, using the data from the CENDL-3.1, ENDF/B-VIII.0, JENDL-4.0 and JEFF-3.3 nuclear data files, and the comparison was made by the spectrum shape and by the C/E values in different energy regions. (C) 2019 Elsevier Ltd. All rights reserved.

引用

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