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First Images of a Three-Layer Compton Telescope Prototype for Treatment Monitoring in Hadron Therapy

AuthorsLlosá, Gabriela ; Trovato, Marco; Barrio, John; Etxebeste, Ane; Muñoz, Enrique; Lacasta Llácer, Carlos ; Oliver Guillén, José Francisco ; Rafecas López, Magdalena ; Solaz, Carles; Solevi, Paola
Issue Date2-Feb-2016
PublisherFrontiers Media
CitationFront. Oncol. 6: 14 (2016)
AbstractA Compton telescope for dose monitoring in hadron therapy is under development at IFIC. The system consists of three layers of LaBr3 crystals coupled to silicon photomultiplier arrays. 22Na sources have been successfully imaged reconstructing the data with an ML-EM code. Calibration and temperature stabilization are necessary for the prototype operation at low coincidence rates. A spatial resolution of 7.8 mm FWHM has been obtained in the first imaging tests.
This work was supported in part by the European Commissions 7th Framework Programme through the ENVISION (G. A. num 241851) project and the Marie Curie ITN ENTERVISION (G. A. num 264552), by the Spanish Ministerio de Economia y Competitividad (FPA2010-14891, FIS2011-14585-E, and FPA2014-53599-R), the UVEG (UV-INV-PRECOMP12-80755), and the Generalitat Valenciana (GV/2013/133 and GVISIC/2012/020). Group members are supported by Ramón y Cajal, UVEG Atraccio de Talent, and Generalitat Valenciana contracts.
Publisher version (URL)http://dx.doi.org/10.3389/fonc.2016.00014
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