双层深度编码探测器的晶体表面优化

来源 :高能物理与核物理 | 被引量 : 0次 | 上传用户:ajimide001
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
设计了双层LSO晶体和位置灵敏型光电倍增管耦合构成的用于小动物PET成像的深度编码探测器.众所周知,晶体的不同的表面处理影响着光输出量,进而影响着它们构建的PET探测器的性能.为了优化设计的深度编码探测器的性能,测试了两种不同表面处理的LSO闪烁晶体阵列探测器的晶体分辨能力及其能量、时间和空间分辨率,结果表明,光滑表面LSO晶体构建的深度编码探测器显示出良好的空间、能量及时间分辨特性.
其他文献
The positron-emitter fluorine-18 labeled amino acid O-(2-[18F]fluoroethyl)-L-tyrosine ([18F]FET) has shown very promising perspectives for brain tumor diagnosis
In this paper cotton hollow yarns were obtained from the core spun yarns which were produced on a little modified conventional experiment ring frame with water
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7
用Faddeev-Jackiw(FJ)方法对与规范场偶合的规范自对偶场进行了研究,获得了一个新的辛Lagrangian密度,导出了此系统的FJ广义括号,并对其进行了FJ量子化.进而把FJ方法和Dirac
To evaluate the potentiality of applying gene therapy to endotoxemia in high-risk patients, we investigated the effects of transferring an adeno-associated viru
Two new coordination polymers, [M(phen) (e, a-cis-1, 4-chdc) (H2O) ] n (M=Mn(1);M=Cu(2);chdc=cyclohexanedicarboxylic acid;phen=1, 10-phenanthroline), were prepa
Based on Chen et al. (2006), the scheme of the combination of the pentad-mean zonal height departure nonlinear prediction with the T42L9 model prediction was de
To study load transfer mechanism and bearing capacity of a mixed pile with stiffness core (MPSC), which is formed by inserting a precast reinforced concrete pil
We determine the asymptotic order of entropy number and optimal non - linear approximations of anisotropic periodic Besov class of Brpθ(Td) (1≤p≤∞, 1≤θ≤