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Design of an Extended Range Long Counter Using Super Monte Carlo Simulation
Mazunga, Mohamed1,2; Li, Taosheng2; Li, Yanan2; Hong, Bing2; Wang, Yongfeng2; Ji, Xiang2
2017-07-01
发表期刊RADIATION PROTECTION DOSIMETRY
卷号175期号:3页码:413-417
摘要We have designed an extended range neutron long counter on the basis of work optimized using SuperMC code. The problem of the existing traditional long counters is that their response function falls rapidly above 5 MeV. We proposed a new designed by adding two layers of converter material inside the polyethylene moderator. The relatively low density chromium and high density lead metals convert high energy neutron by (n, xn) spallation reaction. This produces more neutrons of lower energies, which have higher probability of being detected by thermal He-3-counter. The response function at lower neutron energies was improved by inserting small polyethylene cylinder in front of He-3 counter. In this design we achieved to extent the flat response function of the long counter from few keV up to 150 MeV. The total fluctuation of response curve is less than +/- 9% over the entire energy range. The designed long counter is suitable to be used as neutron monitor for monitoring neutron inotsign,uence at high-energy neutron source.
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
资助者National Natural Science Foundation of China(11505219) ; National Natural Science Foundation of China(11505219) ; National Natural Science Foundation of China(11505219) ; National Natural Science Foundation of China(11505219)
DOI10.1093/rpd/ncw368
关键词[WOS]CONCEPTUAL DESIGN ; ENERGY-RANGE ; NEUTRON ; CALIBRATION ; CHINA
收录类别SCI
语种英语
资助者National Natural Science Foundation of China(11505219) ; National Natural Science Foundation of China(11505219) ; National Natural Science Foundation of China(11505219) ; National Natural Science Foundation of China(11505219)
WOS研究方向Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Nuclear Science & Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS类目Environmental Sciences ; Public, Environmental & Occupational Health ; Nuclear Science & Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS记录号WOS:000405898800016
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.hfcas.ac.cn:8080/handle/334002/33535
专题中国科学院核能安全技术研究所
作者单位1.Univ Sci & Technol China, Hefei 230027, Anhui, Peoples R China
2.Chinese Acad Sci, Key Lab Neutron & Radiat Safety, Inst Nucl Energy Safety Technol, Hefei 230031, Anhui, Peoples R China
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Mazunga, Mohamed,Li, Taosheng,Li, Yanan,et al. Design of an Extended Range Long Counter Using Super Monte Carlo Simulation[J]. RADIATION PROTECTION DOSIMETRY,2017,175(3):413-417.
APA Mazunga, Mohamed,Li, Taosheng,Li, Yanan,Hong, Bing,Wang, Yongfeng,&Ji, Xiang.(2017).Design of an Extended Range Long Counter Using Super Monte Carlo Simulation.RADIATION PROTECTION DOSIMETRY,175(3),413-417.
MLA Mazunga, Mohamed,et al."Design of an Extended Range Long Counter Using Super Monte Carlo Simulation".RADIATION PROTECTION DOSIMETRY 175.3(2017):413-417.
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