Monte Carlo simulation of discrete γ-ray detectors

被引：4
|
作者：
Bakkali, A [1 ]
Tamda, N [1 ]
Parmentier, M [1 ]
Chavanelle, J [1 ]
Pousse, A [1 ]
Kastler, B [1 ]
机构：
[1] Fac Med, Lab Imagerie & Ingn Sante, F-25000 Besancon, France
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 545卷 / 03期
关键词：
Monte Carlo simulation; nuclear medicine; pixellated crystal; PSPMT array; SPECT;
D O I：
10.1016/j.nima.2005.01.344
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Needs in medical diagnosis, especially for early and reliable breast cancer detection, lead us to consider developments in scintillation crystals and position sensitive photomultiplier tubes (PSPMT) in order to develop a high-resolution medium field gamma-ray imaging device. However the ideal detector for gamma-rays represents a compromise between many conflicting requirements. In order to optimize different parameters involved in the detection process, we have developed a Monte Carlo simulation software. Its aim was to study the light distribution produced by a gamma photon interacting with a pixellated scintillation crystal coupled to a PSPMT array. Several crystal properties were taken into account as well as the intrinsic response of PSPMTs. Images obtained by simulations are compared with experimental results. Agreement between simulation and experimental results validate our simulation model. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：699 / 704
页数：6
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