The design of a digital coincidence-detection trigger system for a RPC-based pet

The design of a digital coincidence-detection trigger system for a RPC-based pet

A complex task for PET cameras is the design of an appropriate coincidence-detection trigger as it usually encompasses coincidences in a large number of channels and tight time specifications. Those requirements are even greater for a resistive plate chamber (RPC)-based detector technology as the ti...

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Hauptverfasser: Clemencio, F.M.C., Loureiro, C.F.M., Correia, C.M.B.A.
Format: Tagungsbericht
Sprache:eng
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Clocks
Detectors
Digital cameras
Field programmable gate arrays
Logic
Nuclear and plasma sciences
Physics
Positron emission tomography
Protocols
Prototypes
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Loureiro, C.F.M.
Correia, C.M.B.A.
description A complex task for PET cameras is the design of an appropriate coincidence-detection trigger as it usually encompasses coincidences in a large number of channels and tight time specifications. Those requirements are even greater for a resistive plate chamber (RPC)-based detector technology as the time window specification is quite small (in the order of a few hundred picoseconds) and the number of coincidence-channels can be quite large (more than 100 in a large camera). In this work we discuss on-going work aimed at implementing the coincidence-detection algorithm inside a FPGA along with the necessary TDCs. The use of the developed solution in a first prototype of an RPC-based small animal PET and its scalability to the case of a human, all-body, PET, is discussed.
doi_str_mv 10.1109/NSSMIC.2007.4436456
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subjects Clocks
Detectors
Digital cameras
Field programmable gate arrays
Logic
Nuclear and plasma sciences
Physics
Positron emission tomography
Protocols
Prototypes
title The design of a digital coincidence-detection trigger system for a RPC-based pet
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