Expected performance of the TT-PET scanner

The TT-PET collaboration is developing a small animal TOF-PET scanner based on silicon detectors featuring 30 ps RMS time resolution and intended to be inserted in an existing MRI scanner. The TT-PET scanner makes use of a stack of layers of high-Z photon-converter and 100 \(\mathrm{\mu m}\) thick s...

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Bibliographic Details
Published in:arXiv.org 2018-11
Main Authors: Ripiccini, Emanuele, Hayakawa, Daiki, Iacobucci, Giuseppe, Nessi, Marzio, Nowak, Elzbieta, Paolozzi, Lorenzo, Osman Ratib, Valerio, Pierpaolo, Vitturini, Daniele
Format: Article
Language:English
Subjects:
Converters
Image reconstruction
Pets
Positron emission
Scanners
Silicon
Spatial resolution
Tomography
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Summary:The TT-PET collaboration is developing a small animal TOF-PET scanner based on silicon detectors featuring 30 ps RMS time resolution and intended to be inserted in an existing MRI scanner. The TT-PET scanner makes use of a stack of layers of high-Z photon-converter and 100 \(\mathrm{\mu m}\) thick silicon sensors, to achieve a scanner with 0.5 \(\mathrm{\times}\) 0.5 \(\mathrm{\times}\) 0.2 \(\mathrm{mm^{3}}\) granularity, with precise depth-of-interaction measurement. In this paper we present the results of the Monte Carlo studies for the expected data rate, time resolution on the TOF measurements, spatial resolution and image reconstruction with and without the use of the timing information. Most of the studies have been performed according to the international standards used to assess the performance of small-animal PET system.
ISSN:2331-8422