Speaker
Matteo Morrocchi
(University of Pisa / Infn Pisa)
Description
The 4DM-PET experiment aims to develop an innovative detector module for PET applications. The device is composed of a continuous LYSO scintillator crystal coupled to two SiPM matrices on its top and bottom surfaces. The peculiarity in using a continuous crystal is the ability to reconstruct the Depth of Interaction of the 511 keV photons generated by the annihilation of the positrons emitted by the radiotracer.
A first small prototype module has been built. It is composed of a LYSO crystal, 20x20x10 mm3 coupled on larger surfaces with arrays of SiPMs (4x4 pixel, 4x4 mm2 each) . The lateral faces of the crystal slab are black painted to avoid reflection of light. The Detector is read by custom designed Front-End ASICs.
We have scanned the detector in the three coordinates with pencil beams produced by collimated radioactive sources in order to investigate the spatial resolution capabilities of the module. The results achieved in terms of Depth of Interaction reconstruction and Point Spread Function at different positions on the detector surface are presented.
| quote your primary experiment | 4DM-PET |
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Primary author
Matteo Morrocchi
(University of Pisa / Infn Pisa)
Co-authors
Alberto Del Guerra
(University of Pisa, INFN Pisa)
Cristiano Santoni
(INFN Perugia)
Cristoforo Marzocca
(Polytechnic of Bari, INFN Bari)
Francesco Corsi
(Polytechnic of Bari , INFN Bari)
Francesco Pennazio
(University of Torino, INFN torino)
Giovanni Ambrosi
(INFN Perugia)
Giovanni Pirrone
(University of Pisa, INFN Pisa)
Maria Giuseppina Bisogni
(University of Pisa, INFN Pisa)
Maria Ionica
(University of Perugia)
Naema Marino
(University of Pisa, INFN Pisa)
Piergiorgio Cerello
(INFN Torino)
Richard Wheadon
(INFN Torino)
