Depth of Interaction Measurement in Crystals for Positron Emission Mammography Export

@mastersthesis{citeulike:2889870, abstract = {The present study concerns light collection in a small parallelipided \textbf{LuAP} crystal with two \textit{avalanche photo diode} (\textbf{APD}s), one on each end, according to a \textit{double readout} scheme, in order to explore the possibility to extract \textit{depth of interation} (\textbf{DoI}) information. Such a study is relevant to optimise a \textit{positron emission mammography} (\textbf{PEM}) prototype, in this case being developed within the Crystal Clear Colaboration framework (Clear-PEM, \cite{varela}), but also traditional positron emission tomography (PET) devices can benefit from it. The Monte-Carlo simulation, which was coded with the \textbf{Geant4} detector simulation package (\cite{g4user}), begins with the unpolarized \textit{optical photons} (\textbf{OP}s) being generated isotropically at a given point within the crystal. Simulation stops when all OPs have been either detected or lost. Only OP processess have been turned on in the simulation. Data was analysed using \textbf{Root} data analysis package (\cite{rootman}). Simulation results are shown and conclusions are drawn about which crystal's surface parameters and wrapping properties are favourable to a good DoI measurement. Simulation compilation and running were performed in the Linux computer farm at \textit{Laborat\'{o}rio de Instrumenta\c{c}\~{a}o e F\'{i}sica Experimental de Part\'{i}culas} (\textbf{LIP}).}, author = {Moura, Rui and Varela, Joao}, citeulike-article-id = {2889870}, citeulike-linkout-0 = {http://www.google.pt/search?hl=pt-PT&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=UQr&q=Clear-PEM+Performance+Simulation+and+Experimental+Studies&btnG=Pesquisar&meta=}, editor = {Ist, U. T. L.}, institution = {Technical University of Lisbon (UTL)}, keywords = {analysis, clearpem, crystal, crystals, design, detector, doi, ecal, energy, geant4, geometry, glue, grease, index, lso, lu176, luap, luyap, lyso, optical, pem, performance, pet, phoswitch, pixel, pmt, properties, reflector, refractive, resolution, roughness, scintillation, scintillator, simulation, spectrum, surface, time, tomography}, month = {December}, organization = {Laboratory of Instrumentation and Experimental Particle Physics (LIP)}, posted-at = {2008-06-12 19:31:23}, priority = {2}, school = {Superior Technical Institute (IST)}, series = {Graduation Thesis}, title = {Depth of Interaction Measurement in Crystals for Positron Emission Mammography}, url = {http://www.google.pt/search?hl=pt-PT&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=UQr&q=Clear-PEM+Performance+Simulation+and+Experimental+Studies&btnG=Pesquisar&meta=}, year = {2002} }

TY - THES ID - citeulike:2889870 L3 - citeulike-article-id:2889870 N2 - The present study concerns light collection in a small parallelipided \textbf{LuAP} crystal with two \textit{avalanche photo diode} (\textbf{APD}s), one on each end, according to a \textit{double readout} scheme, in order to explore the possibility to extract \textit{depth of interation} (\textbf{DoI}) information. Such a study is relevant to optimise a \textit{positron emission mammography} (\textbf{PEM}) prototype, in this case being developed within the Crystal Clear Colaboration framework (Clear-PEM, \cite{varela}), but also traditional positron emission tomography (PET) devices can benefit from it. The Monte-Carlo simulation, which was coded with the \textbf{Geant4} detector simulation package (\cite{g4user}), begins with the unpolarized \textit{optical photons} (\textbf{OP}s) being generated isotropically at a given point within the crystal. Simulation stops when all OPs have been either detected or lost. Only OP processess have been turned on in the simulation. Data was analysed using \textbf{Root} data analysis package (\cite{rootman}). Simulation results are shown and conclusions are drawn about which crystal's surface parameters and wrapping properties are favourable to a good DoI measurement. Simulation compilation and running were performed in the Linux computer farm at \textit{Laborat\'{o}rio de Instrumenta\c{c}\~{a}o e F\'{i}sica Experimental de Part\'{i}culas} (\textbf{LIP}). SE - Graduation Thesis OR - Laboratory of Instrumentation and Experimental Particle Physics (LIP) TI - Depth of Interaction Measurement in Crystals for Positron Emission Mammography PB - Superior Technical Institute (IST) KW - analysis KW - clearpem KW - crystal KW - crystals KW - design KW - detector KW - doi KW - ecal KW - energy KW - geant4 KW - geometry KW - glue KW - grease KW - index KW - lso KW - lu176 KW - luap KW - luyap KW - lyso KW - optical KW - pem KW - performance KW - pet KW - phoswitch KW - pixel KW - pmt KW - properties KW - reflector KW - refractive KW - resolution KW - roughness KW - scintillation KW - scintillator KW - simulation KW - spectrum KW - surface KW - time KW - tomography AU - Moura, Rui AU - Varela, Joao A2 - Ist, UTL PY - 2002/12// UR - http://www.google.pt/search?hl=pt-PT&client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&hs=UQr&q=Clear-PEM+Performance+Simulation+and+Experimental+Studies&btnG=Pesquisar&meta= ER -