搜索结果: 1-15 共查到“Geant4”相关记录15条 . 查询时间(0.088 秒)
Geant4是基于C++编写的开源蒙特卡洛模拟软件，提供多种包含中子与物质相互作用的物理列表。本研究采用Geant4提供的几种物理列表，对沿中子束方向的总吸收剂量、硼剂量和非硼剂量深度分布进行计算，并与FLUKA进行比较，模拟中子能量从0.025 3 eV到10 MeV。对于整个模拟中子能段，结果显示添加S（α, β）热模型的高精度中子物理列表（Geant4_HP_T）在总吸收剂量、硼剂量和非硼剂...
Monte Carlo study of a 3D Compton imaging device with GEANT4
Gamma-ray imaging, Compton imaging, Germanium strip detector, Nondestructive testing
2011/9/1
In this paper we investigate, with a detailed Monte-Carlo simulation based on Geant4, the novel approach to 3D imaging with photon scattering. A monochromatic and well collimated gamma beam is used to...
\textsc{MaGe} - a {\sc Geant4}-based Monte Carlo Application Framework for Low-background Germanium Experiments
\textsc{MaGe} - a {\sc Geant4}-based Monte Carlo Application Framework Low-background Germanium Experiments
2011/1/4
We describe a physics simulation software framework, MAGE, that is based on the GEANT4 simulation toolkit. MAGE is used to simulate the response of ultra-low radioactive background radiation detectors...
GEANT4 Simulations of Gamma-Ray Emission from Accelerated Particles in Solar Flares
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
Gamma-ray spectroscopy provides diagnostics of particle acceleration in solar flares, but care must be taken when interpreting the spectra due to effects of the angular distribution of the accelerated...
高通量的空间质子是导致行星际航天器深层充电的主要原因，基于辐射诱导电导率模 型（RIC）和粒子输运模拟工具GEANT4对介质材料在质子辐照条件下的深层充电问题进行了 预估。利用GEANT4-RIC充电计算方法，首先计算出10MeV质子在Kapton和Teflon中的注量和 剂量沉积曲线，进而根据电流连续性方程、泊松方程和电荷俘获方程组成的辐射诱导电导率 模型（RIC）求解出介质内电荷和电场分布，与...
Particle induced X-ray emission (PIXE) is a physical effect that is not yet adequately modelled in Geant4. The current status as in Geant4 9.2 release is reviewed and new developments are described. T...
Design and performance evaluations of generic programming techniques in a R&D prototype of Geant4 physics
generic programming techniques R&D prototype Geant4 physics
2010/3/15
A R&D project has been recently launched to investigate Geant4 architectural design in view of addressing new experimental issues in HEP and other related physics disciplines. In the context of this p...
A research and development (R&D) project related to the extension of the Geant4 toolkit has been recently launched to address fundamental methods in radiation transport simulation. The project focuses...
γ全吸收型探测装置中子束流监视器的Geant4模拟
中子束流监视器 γ全吸收型探测装置
2009/11/3
利用Geant4模拟了γ全吸收型探测装置中用于中子束流监视的锂玻璃探测器的相对探测效率，给出了锂玻璃探测器在10keV～1MeV区间的中子探测效率，并对影响探测效率的相关因素进行了分析，讨论了弹性散射引起的时间滞后对TOF(time-of-flight)测量的影响和不同厚度锂玻璃探测器的n-γ分辨效果。在未来使用锂玻璃探测器作为keV中子源监视器时，这项工作将为更好地理解相关中子飞行时间谱和能谱...
Study of neutron response for two hybrid RPC setups using the GEANT4 MC simulation approach
resistive plate chambers neutron sensitivity GEANT4 Monte Carlo simulation
2009/9/17
The present article describes a detailed neutron simulation study in the energy range 10－10 MeV to 1.0 GeV for two different RPC configurations. The simulation studies were taken by using the GEANT4 ...
Study of neutron response for two hybrid RPC setups using GEANT4 MC simulation approach
resistive plate chambers neutron sensitivity GEANT4 Monte Carlo simulation
2009/9/9
The present article describes a detailed neutron simulation study in the energy range 1010 MeV
to 1.0 GeV for two di erent RPC con gurations. The simulation studies were taken by using the ...
A method for detector description exchange among ROOT GEANT4 and GEANT3
detector description GDML GEANT GEANT ROOT
2009/8/17
GEANT3 and GEANT4 are the detector simulation software programs that are widely used in most nuclear and particle physics experiments. ROOT is a program for framework, data analysis, online and offlin...
GEANT4对飞行时间谱仪单块闪烁体的模拟研究
飞行时间谱仪 BESⅢ GEANT4 本征时间分辨
2009/7/8
基于GEANT4对飞行时间谱仪单块闪烁体进行了系统的模拟研究,得出了飞行时间谱仪的本征时间分辨.并对BC404和BC408两种类型的塑料闪烁体材料以及闪烁体与光电倍增管的耦合方式做了比较研究,得到了比较结果.这些结果对BESⅢ粒子鉴别系统的设计有着指导意义.
应用Geant4工具，构造了不同特征尺寸的SRAM单元几何模型及单粒子翻转截面计算模型，分析了敏感体积和临界电荷对低能中子单粒子翻转效应的影响趋势，计算了反应堆裂变中子谱辐射环境下，不同特征尺寸SRAM的中子单粒子翻转截面，认为小尺寸SRAM器件的低能中子单粒子翻转效应更为严重。
Evaluation of the Fluence to Dose Conversion Coefficients for High Energy Neutrons Using a Voxel Phantom Coupled with the GEANT4 Code
Dose Conversion Coefficients High Energy Neutrons a Voxel Phantom the GEANT4 Code
2010/10/15
Crews working on present-day jet aircraft are a large occupationally exposed group with a relatively high average effective dose from galactic cosmic radiation. Crews of future high-speed commercial f...