LaBr3:Ce Scintillation Imagers Optimization by GEANT4

被引：3
|
作者：
Lo Meo, S. [1 ,2 ]
Baldazzi, G. [1 ,2 ]
Bennati, P. [3 ,4 ]
Bollini, D. [1 ]
Cencelli, V. Orsolini [3 ]
Cinti, M. N. [3 ,5 ]
Moschini, G. [6 ,7 ]
Lanconellia, N. [1 ,2 ]
Navarria, F. L. [1 ,2 ]
Pani, R. [3 ]
Pellegrini, R. [3 ,8 ]
Perrotta, A. [1 ]
Vittorini, F. [3 ,5 ]
机构：
[1] INFN Bologna, Bologna, Italy
[2] Univ Bologna, Dept Phys, Alma Mater Studiorum, Bologna, Italy
[3] INFN Rome, Rome, Italy
[4] Univ Rome III, EDEMOM PhD Sch Microelect, Rome, Italy
[5] Univ Roma La Sapienza, Dept Phys, I-00185 Rome, Italy
[6] Univ Padua, Dept Phys, Padua, Italy
[7] Ist Nazl Fis Nucl, Lab Nazl Legnaro, Padua, Italy
[8] Univ Roma La Sapienza, Dept Expt Med, I-00185 Rome, Italy
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2009年 / 197卷
关键词：
D O I：
10.1016/j.nuclphysbps.2009.10.108
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The increasing demand of sophisticated devices for Medical Imaging, with submillimeter spatial resolution and high detection efficiency, motivates an in-depth study of detectors able to fulfill these requirements. In particular for Single Photon Emission Tomography applications, the on-going development of large LaBr(3):Ce crystals makes very attractive their use as a system of gamma imaging. Single crystals can overcome the limitation in term of spatial resolution related to pixel size in scintillation arrays, once the problems of limited position linearity and image size are solved. In this work we use GEANT4 simulations in order to model different configurations based on LaBr(3):Ce crystals coupled to a Hamamatsu H8500 Multi Anode Photomultiplier. The position linearity, the spatial and energy resolutions obtainable from optimum photodetection conditions are investigated. The values obtained by the Monte Carlo simulations are compared to agreement with them upon tuning of some parameters.
引用
收藏
页码：378 / 382
页数：5
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