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Title: Spatial resolution on a small animal RPC-PET prototype operating under magnetic field
Authors: Blanco, A. 
Carolino, N. 
Correia, C. M. B. A. 
Fazendeiro, L. 
Ferreira, Nuno C. 
Marques, M. F. Ferreira 
Marques, R. Ferreira 
Fonte, P. 
Gil, C. 
Macedo, M. P. 
Keywords: Gaseous detectors; magnetic field
Issue Date: 2006
Citation: Nuclear Physics B - Proceedings Supplements. 158:(2006) 157-160
Abstract: It has been demonstrated in previous work that the RPC-PET technology is able to deliver radioisotope image resolutions approaching the physical limits of the PET principle. Here we study, by simulation, the effect of the magnetic field on the positron range to evaluate whether the spatial resolution of the RPC-PET could be improved by using an intense magnetic field. Six positron emitters of interest to small animal PET imaging (18F, 11C, 15O, 68G, 62Cu and 86Y) are considered. Results suggest that a three-fold improvement on the spatial resolution may be obtained under a magnetic field of 10 T for the higher energy radioisotopes like 86Y or 62Cu, and by about 20% for the lower energy ones, like 18F or 11C.
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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