LaBr3:Ce crystal:: The latest advance for scintillation cameras

被引：35
|
作者：
Pani, R. [1 ]
Pellegrini, R.
Cinti, M. N.
Bennati, P.
Betti, M.
Vittorini, F.
Mattioli, M.
Trotta, G.
Cencelli, V. Orsolini
Scafe, R.
Montani, L.
Navarria, F.
Bollini, D.
Baldazzi, G.
Moschini, G.
Rossi, P.
de Notaristefani, F.
机构：
[1] Ist Nazl Fis Nucl, Rome, Italy
[2] Univ Roma La Sapienza, Dept Expt Med, Rome, Italy
[3] Univ Roma La Sapienza, Dept Phys, Rome, Italy
[4] Roma 3 Univ, Natl Inst Nucl Phys, Rome, Italy
[5] Ist Nazl Fis Nucl, I-40126 Bologna, Italy
[6] Univ Bologna, Dept Phys, I-40126 Bologna, Italy
[7] Ist Nazl Fis Nucl, Padua, Italy
[8] Univ Padua, Dept Phys, I-35100 Padua, Italy
[9] ENEA, Rome, Italy
[10] Roma 3 Univ, Dept Elect Engn, Rome, Italy
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 572卷 / 01期
关键词：
inorganic scintillator; LaBr3 : Ce; gamma-ray imagers; PSPMT; nuclear medicine;
D O I：
10.1016/j.nima.2006.10.364
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Recent availability of LaBr3:CC crystal is attracting researchers for the development of new advanced SPECT e PET systems. The crystal shows excellent energy resolution values good radiation absorption properties and speed. At present, LaBr3:Ce crystal is available with continuous shape covering 5 x 5 cm(2) area with a thickness up to 1 in. With the aim of analysing the imaging performances of LaBr3:Ce for Single Photon Emission Tomography (SPET), we tested three continuous crystals with the same detection area of 5 x 5 cm2 and various thicknesses ranging between 4 and 10 mm. Three small scintillation cameras were assembled by coupling LaBr3:Ce crystal to Hamamatsu H8500 Flat panel PMT. The results show very good imaging performances for single photon emission application with superior energy and spatial resolution up 7.5% and 0.9 mm, respectively, and a detection efficiency up to 95% at 140 keV photon energy. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：268 / 269
页数：2
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