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浏览/检索结果: 共126条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择提交时间升序提交时间降序题名升序题名降序作者升序作者降序发表日期升序发表日期降序 Optimization study and design of scintillating fiber detector for D-T neutron measurements on EAST with Geant4 期刊论文  OAI收割 NUCLEAR SCIENCE AND TECHNIQUES, 2022, 卷号: 33 作者:  Chen, Wei-Kun;  Hu, Li-Qun;  Zhong, Guo-Qiang;  Hong, Bing;  Zhou, Rui-Jie   |  收藏  |  浏览/下载：35/0  |  提交时间：2022/12/23 Sci-Fi detector  Optimal design  n/gamma resolution  Intrinsic detection efficiency  Geant4   GEANT4 simulations of the neutron beam characteristics for Be-9/Li-7 targets bombarded by the low energy protons 期刊论文  OAI收割 NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 2021, 卷号: 506 作者:  Lu, Yu;  Xu, Zhao;  Zhang, Lianxin;  Wang, Zibang;  Li, Taosheng   |  收藏  |  浏览/下载：27/0  |  提交时间：2021/11/29 GEANT4  Physics list  Neutron yield  Be-9(pxn)  Li-7(pxn)   Benchmarking GEANT4 and PHITS for 14.8-MeV neutron transport in polyethylene and graphite materials 期刊论文  OAI收割 FUSION ENGINEERING AND DESIGN, 2021, 卷号: 170, 页码: 7 作者:  Zhang, Xin;  Chen, Zhiqiang;  Han, Rui;  Tian, Guoyu;  Liu, Bingyan   |  收藏  |  浏览/下载：27/0  |  提交时间：2021/12/08 Neutron transport  GEANT4  PHITS   Simulated design of neutron ambient dose equivalent meter with gadolinium core plastic scintillator using Geant4 code 期刊论文  OAI收割 RADIATION MEASUREMENTS, 2021, 卷号: 144 作者:  Hong, B.;  Xu, Y.;  Chen, N.   |  收藏  |  浏览/下载：28/0  |  提交时间：2021/08/31 Gadolinium  Plastic scintillator  Neutron ambient dose equivalent meter  Energy response  Geant4 simulation   CIS单粒子效应机理及模拟试验方法 学位论文  OAI收割 中国科学院新疆理化技术研究所: 中国科学院大学, 2021 作者:  蔡毓龙   |  收藏  |  浏览/下载：28/0  |  提交时间：2021/08/27 CMOS图像传感器  单粒子效应  空间辐射效应  Geant4   Impact of heavy ion energy and species on single-event upset in commercial floating gate cells 期刊论文  OAI收割 MICROELECTRONICS RELIABILITY, 2021, 卷号: 120, 页码: 6 作者:  Ye, Bing;  Mo, Li-Hua;  Zhai, Peng-Fei;  Cai, Li;  Liu, Tao   |  收藏  |  浏览/下载：28/0  |  提交时间：2021/12/09 Flash memories  Linear energy transfer  Single-event upset  Heavy ions  Geant4   Neutron-induced single event upset simulation in Geant4 for three-dimensional die-stacked SRAM* 期刊论文  OAI收割 CHINESE PHYSICS B, 2021, 卷号: 30, 期号: 3, 页码: 8 作者:  Mo, Li-Hua;  Ye, Bing;  Liu, Jie;  Luo, Jie;  Sun, You-Mei   |  收藏  |  浏览/下载：21/0  |  提交时间：2021/12/10 neutron  three-dimension ICs  single event upset  multi-bit upset  Geant4   Geant4 simulation for the responses to X-rays and charged particles through the eXTP focusing mirrors 期刊论文  OAI收割 Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2020, 卷号: 963 作者:  Qi, L.Q.;  Li, G.;  Xu, Y.P.;  Zhang, J.;  Yang, Y.J.   |  收藏  |  浏览/下载：66/0  |  提交时间：2020/03/23 X-ray telescope  eXTP  Geant4   中国聚变工程试验堆中子学分析中的GEANT4应用研究 期刊论文  OAI收割 核技术, 2020, 卷号: 043 作者:  任金才;  徐坤;  叶民友;  毛世峰;  陆玉东   |  收藏  |  浏览/下载：23/0  |  提交时间：2020/11/25 聚变中子学  GEANT4  CFETR   Comparison of simulated backgrounds with in-orbit observations for HE, ME, and LE onboard Insight-HXMT 期刊论文  OAI收割 Astrophysics and Space Science, 2020, 卷号: 365, 页码: 158 作者:  HXMT   |  收藏  |  浏览/下载：36/0  |  提交时间：2022/02/08 Insight-HXMT  Geant4 simulation  Background observation  Astrophysics  - Instrumentation and Methods for Astrophysics  Abstract: Insight-HXMT, the first X-ray astronomical satellite in China, aims to reveal new sources in the Galaxy and to study fundamental physics of X-ray binaries from 1 to 250 keV. It has three collimated telescopes, the High Energy X-ray telescope (HE), the Medium Energy X-ray telescope (ME), and the Low Energy X-ray telescope (LE). Before the launch, in-orbit backgrounds of these three telescopes had been estimated through Geant4 simulation, in order to investigate the instrument performance and the achievement of scientific goals. In this work, these simulated backgrounds are compared with in-orbit observations. Good agreements are shown for all three telescopes. For HE, (1) the deviation of the simulated background rate after two years of operation in space is 5 % from the observation  (2) the total background spectrum and the relative abundance of the 67 keV line show long-term increases both in simulations and observations. For ME, (1) the deviation of simulated background rate is within 15 % from the observation, and (2) there are no obvious long-term increase features in the background spectra of simulations and observations. For LE, the background level given by simulations is also consistent with observations. The consistencies of these comparisons validate that the Insight-HXMT mass model, i.e., space environment components and models adopted, physics processes selected, and detector constructions built, is reasonable. However, the line features at 7.5 and 8.0 keV, which are obvious in the observed spectra of LE, are not evident in simulations. This might result from uncertainties in the LE constructions.