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Study of neutron spectra in a water bath from a Pb target irradiated by 250 MeV protons
Li, YY; Zhang, XY; Ju, YQ; Ma, F; Zhang, HB; Chen, L; Ge, HL; Wan, B; Luo, P; Zhou, B; Zhang, YB; Li, JY; Xu, JK; Wang, SL; Yang, YW; Yang, L; 周斌(东莞); Wang SL(王松林)
刊名CHINESE PHYSICS C
2015
卷号39期号:4页码:44001
关键词spallation reaction bath activation method neutron spectrum MCNPX simulation
学科分类Physics
DOI10.1088/1674-1137/39/4/044001
文章类型Article
英文摘要Spallation neutrons were produced by the irradiation of Pb with 250 MeV protons. The Pb target was surrounded by water which was used to slow down the emitted neutrons. The moderated neutrons in the water bath were measured by using the resonance detectors of Au, Mn and In with a cadmium (Cd) cover. According to the measured activities of the foils, the neutron flux at different resonance energies were deduced and the epithermal neutron spectra were proposed. Corresponding results calculated with the Monte Carlo code MCNPX were compared with the experimental data to check the validity of the code. The comparison showed that the simulation could give a good prediction for the neutron spectra above 50 eV, while the finite thickness of the foils greatly effected the experimental data in low energy. It was also found that the resonance detectors themselves had great impact on the simulated energy spectra.
类目[WOS]Physics, Nuclear ; Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000352828800006
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228334
专题东莞分部_期刊论文
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GB/T 7714
Li, YY,Zhang, XY,Ju, YQ,et al. Study of neutron spectra in a water bath from a Pb target irradiated by 250 MeV protons[J]. CHINESE PHYSICS C,2015,39(4):44001.
APA Li, YY.,Zhang, XY.,Ju, YQ.,Ma, F.,Zhang, HB.,...&王松林.(2015).Study of neutron spectra in a water bath from a Pb target irradiated by 250 MeV protons.CHINESE PHYSICS C,39(4),44001.
MLA Li, YY,et al."Study of neutron spectra in a water bath from a Pb target irradiated by 250 MeV protons".CHINESE PHYSICS C 39.4(2015):44001.
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