Modeling of the source neutrons of D-T neutron generator based on in-situ depth profiling of tritium in the tritide target
文献类型：期刊论文
| 作者 | Zhu, Qingjun1; Bao, Jie2; Chen, Wuhui1; Huang, Kai1 |
| 刊名 | NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
 |
| 出版日期 | 2020-12-01 |
| 卷号 | 982 |
| 关键词 | D-T neutron generator Neutronic experiment Tritium Alpha spectra Source neutrons |
| ISSN号 | 0168-9002 |
| DOI | 10.1016/j.nima.2020.164585 |
| 通讯作者 | Huang, Kai(huangkai@ipp.ac.cn) |
| 英文摘要 | Information on source neutrons is crucial to neutronic experiments that use deuterium-tritium (D-T) neutron generators. The quality of source neutron information affects the reliability of the comparative analysis between experimental and simulated results. Distribution of tritium in the tritide target is a necessary input data for the D-T source neutron analysis. However, due to the lack of an in-situ method, the current parameter analysis of neutron source can only use hypothetical tritium distribution data, which introduces extra uncertainty to the results of modeled neutron source. In this study, we present an in-situ method for profiling tritium in the tritide target based on the measured associated alpha spectra. The developed tritium profiling method can be embedded into the source neutron modeling method so as to obtain the parameters of neutron source. The proposed methodology is validated by measuring the differential spectra of D-T source neutrons at 0 degrees, 45 degrees, 90 degrees, 135 degrees, using the time of flight (TOF) method. At these angles, the neutron intensity ratios of the simulation to the experiment are 1.04 +/- 4%, 1.08 +/- 2%, 0.90 +/- 2%, 1.04 +/- 3%; while the difference of the peak energy between measured and calculated spectra are 0.05 +/- 0.01 MeV, 0.12 +/- 0.04 MeV, 0.24 +/- 0.06 MeV, and 0.25 +/- 0.01 MeV, respectively. It is found that measured and simulated results are in good agreement in terms of neutron intensity and peak energy; and that further investigation is required to understand the discrepancy on the differential spectra obtained in simulation and measurement. |
| 资助项目 | National Natural Science Foundation of China[11705230] ; China National Magnetic Confinement Fusion Science Program[2015GB108002] ; National Key R&D Program of China[2017YFE0301601] |
| WOS研究方向 | Instruments & Instrumentation ; Nuclear Science & Technology ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000581805300036 |
| 出版者 | ELSEVIER |
| 资助机构 | National Natural Science Foundation of China ; China National Magnetic Confinement Fusion Science Program ; National Key R&D Program of China |
| 源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/104860]  |
| 专题 | 中国科学院合肥物质科学研究院 |
| 通讯作者 | Huang, Kai |
| 作者单位 | 1.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Anhui, Peoples R China 2.China Inst Atom Energy, Dept Nucl Phys, Beijing 102413, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Qingjun,Bao, Jie,Chen, Wuhui,et al. Modeling of the source neutrons of D-T neutron generator based on in-situ depth profiling of tritium in the tritide target[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,2020,982. |
| APA | Zhu, Qingjun,Bao, Jie,Chen, Wuhui,&Huang, Kai.(2020).Modeling of the source neutrons of D-T neutron generator based on in-situ depth profiling of tritium in the tritide target.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT,982. |
| MLA | Zhu, Qingjun,et al."Modeling of the source neutrons of D-T neutron generator based on in-situ depth profiling of tritium in the tritide target".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 982(2020). |
入库方式： OAI收割
来源：合肥物质科学研究院
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