兰州大学机构库 >核科学与技术学院
Measurement of TOF of fast neutrons with U-238 target
2021-06
Source PublicationNUCLEAR ENGINEERING AND TECHNOLOGY
ISSN1738-5733
Volume53Issue:6Pages:1964-1969
AbstractWe developed a Dual-PPACs detector for fast neutron measurements that consists of two sets of PPAC: conventional PPAC and fission PPAC. A(238)U(U3O8) coating is placed in the fission PPAC's anode, which is used as the neutrons conversion layer. An experiment was performed to measure neutron time-of-flight (TOF) in which Cf-252 spontaneous fission source was used. An excellent time resolution of 164ps has been observed at 6 mbar in isobutene gas. With the excellent time resolution of Dual-PPACs detector, exact neutron energy can be extracted from the timing measurement. The experimental detection efficiency was 1.9 x 10(-7), consistent with the efficiency of 2.5 x 10(-7) given by a Geant4 simulation. Ultimately, the results show that the Dual-PPACs detector is a suitable candidate for measuring fast neutrons in the future CiADS system. (C) 2020 Korean Nuclear Society, Published by Elsevier Korea LLC.
KeywordParallel plate avalanche counterThe time resolutionNeutronTime-of-flight(TOF)
PublisherKOREAN NUCLEAR SOC
DOI10.1016/j.net.2020.1203
Indexed BySCOPUS ; SCIE
Language英语
WOS Research AreaNuclear Science & Technology
WOS SubjectNuclear Science & Technology
WOS IDWOS:000653016800013
Original Document TypeArticle
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/450772
Collection核科学与技术学院
Affiliation1.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China;
2.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China;
3.North China Univ Water Resources & Elect Power, Zhengzhou 450000, Peoples R China;
4.Lanzhou Univ, Sch Nucl Sci & Technol, Lanzhou 730000, Peoples R China
First Author AffilicationSchool of Nuclear Science and Technology
Recommended Citation
GB/T 7714
Li, Meng,Guan, Yuanfan,Lu, Chengui,et al. Measurement of TOF of fast neutrons with U-238 target[J]. NUCLEAR ENGINEERING AND TECHNOLOGY,2021,53(6):1964-1969.
APA Li, Meng.,Guan, Yuanfan.,Lu, Chengui.,Zhang, Junwei.,Yuan, Xiaohua.,...&Hou, Yikai.(2021).Measurement of TOF of fast neutrons with U-238 target.NUCLEAR ENGINEERING AND TECHNOLOGY,53(6),1964-1969.
MLA Li, Meng,et al."Measurement of TOF of fast neutrons with U-238 target".NUCLEAR ENGINEERING AND TECHNOLOGY 53.6(2021):1964-1969.
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