国家自然科学基金(10775149)

作品数:5被引量:3H指数:1
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相关期刊:《Chinese Physics C》更多>>
相关主题:DETECTORLYSOMTMEASUREMENTDOI更多>>
相关领域:核科学技术电子电信机械工程更多>>
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Investigation of the time performance of a LYSO array for TOF-PET被引量:1
《Chinese Physics C》2015年第12期103-108,共6页刘军辉 程金星 徐炯辉 成枫锋 李道武 章志明 王宝义 魏龙 
Supported by National Natural Science Foundation of China(10775149,10805049);the Fundamental Research Funds for the Central Universities(2013NT10)
Positron Emission Tomography (PET) using time-of-flight information, which can greatly improve the quality of the reconstructed image, has recently become an exciting topic. In this work, 3.2 mm×3.2 min×25 mm fing...
关键词:Time-of-Flight PET PS-PMT LYSO leading-edge discriminator 
Using a LaBr_3:Ce scintillator for positron annihilation lifetime spectroscopy
《Chinese Physics C》2012年第4期380-383,共4页刘军辉 李道武 章志明 王宝义 张天保 郝佳 魏龙 
Supported by National Natural Science Foundation of China(10805049,10775149)
A LaBr3:Ce scintillator has a high light output (~60000 p.e/MeV) and a short decay constant (25 ns), which makes it good for time spectrometry. Compared with a BaF2 scintillator, it can bear a much higher count ...
关键词:PALS LaBr3:Ce 
Performance evaluation of a parallel-hole collimated detector module for animal SPECT imaging被引量:1
《Chinese Physics C》2011年第12期1162-1165,共4页黄先超 章志明 李道武 唐浩辉 李婷 廖燕飞 刘军辉 王培林 陈研 王英杰 魏龙 单保慈 王宝义 
Supported by Natural Science Foundation of China(10805049,10775149)
We have built and investigated a detector module for animal SPECT imaging, especially for use in large field of view (FOV) conditions. The module consists of a PMT-based detector and a parallel-hole collimator with ...
关键词:animal imaging SPECT parallel-hole collimator 
Preliminary study of depth of interaction measurement for a PET detector被引量:1
《Chinese Physics C》2011年第11期1070-1073,共4页廖燕飞 章志明 李道武 帅磊 单保慈 黄先超 刘军辉 陈研 王英杰 刘双全 王培林 魏书军 魏龙 
Supported by National Natural Science Foundation of China (10805049, 10775149)
In this work we studied the feasibility of detecting the depth of interaction (DOI) with two layers of crystal arrays of LYSO and BGO scintillators coupled to a position-sensitive photomultiplier tube (PS-PMT) R89...
关键词:PET DETECTOR DOI spatial resolution 
A compact positron annihilation lifetime spectrometer
《Chinese Physics C》2011年第1期100-103,共4页李道武 刘军辉 章志明 王宝义 张天保 魏龙 
Supported by Natural Science Foundation of China (10775149,10805049)
Using LYSO scintillator coupled on HAMAMATSU R9800 (a fast photomultiplier) to form the small size γ-ray detectors, a compact lifetime spectrometer has been built for the positron annihilation experiments. The syst...
关键词:COMPACT PLS LYSO positron annihilation 
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