HFCAS OpenIR  > 中国科学院核能安全技术研究所
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
Source PublicationRADIATION PROTECTION DOSIMETRY
Volume175Issue:3Pages:413-417
AbstractWe 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.
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Funding OrganizationNational 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
WOS KeywordCONCEPTUAL DESIGN ; ENERGY-RANGE ; NEUTRON ; CALIBRATION ; CHINA
Indexed BySCI
Language英语
Funding OrganizationNational 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 Research AreaEnvironmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Nuclear Science & Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS SubjectEnvironmental Sciences ; Public, Environmental & Occupational Health ; Nuclear Science & Technology ; Radiology, Nuclear Medicine & Medical Imaging
WOS IDWOS:000405898800016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33535
Collection中国科学院核能安全技术研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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