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7th Conference on PET/MR and SPECT/MR

21–23 May 2018
La Biodola, Isola d'Elba
Europe/Rome timezone

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Session

Session 11 - Instrumentation: detectors and electronics

23 May 2018, 11:00
La Biodola, Isola d'Elba

La Biodola, Isola d'Elba

<a target="_blank" href=http://www.elba4star.it/HH/index-Eng.html>Hotel Hermitage</a> </br>e-mail: <a href="mailto:psmr2018@df.unipi.it">psmr2018@df.unipi.it</a>

Conveners

Session 11 - Instrumentation: detectors and electronics

  • Giancarlo Sportelli (University of Pisa and INFN Pisa, Italy)

Presentation materials

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  1. 19. A Novel Method for Determining the Intrinsic Detector Resolution on Monolithic Crystals
    Antonio Gonzalez (Institute for Instrumentation in Molecular Imaging, i3M-CSIC)
    23/05/2018, 11:00
    Talk
    The aim of this work is to provide a method to retrieve the intrinsic resolution of PET detector blocks based on monolithic crystals. Estimating the intrinsic detector resolution is challenging, this resolution is limited by several factors that cannot easily be isolated and studied experimentally, for this reason many works focused on exploring the resolution limits through Monte Carlo...
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  2. 17. A novel DOI Positioning Algorithm for Monolithic Scintillator Crystals in PET based on Gradient Tree Boosting
    Florian Müller (Department of Physics of Molecular Imaging Systems, Institute for Experimental Molecular Imaging, RWTH Aachen University)
    23/05/2018, 11:20
    Talk
    Monolithic crystals are considered as an alternative for segmented scintillator arrays in positron emission tomography (PET). Monoliths provide good spatial, timing and energy resolutions as well as intrinsic depth of interaction (DOI) encoding. DOI allows reducing parallax errors (radial astigmatism) at off-center positions within a PET ring. This is especially important for high-resolution...
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  3. 44. Characterisation of prototype SiGe monolithic pixel detectors in the TT-PET scanner
    Dean Forshaw (University of Bern)
    23/05/2018, 11:40
    Talk
    The TT-PET collaboration is developing a compact Time-of-Flight PET scanner for small animals with a 30ps time resolution and sub-millimeter 3D detection granularity. The sensitive element of the scanner is a fully monolithic silicon pixel detector based on state of the art SiGe BiCMOS technology. Our scanner design will be introduced along with detailed GEANT4 simulations concerning hit...
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  4. 49. First Measurements with the PETsys TOFPET2 ASIC Evaluation Kit
    David Schug (Department of Physics of Molecular Imaging Systems, Institute for Experimental Molecular Imaging, RWTH Aachen University, Aachen, Germany)
    23/05/2018, 12:00
    Talk
    We present results obtained with the PETsys TOFPET2 ASIC Evaluation Kit. The TOFPET2 ASIC is a time-of-flight capable 64-channel ASIC and is a promising candidate to build high-performance TOF-PET systems. For a first characterization, we used two KETEK-PM3325-WB SiPMs each equipped with a 3x3x5 mm³ LYSO scintillation crystal. For the measurements presented in this work, we changed the...
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  5. 50. MRI compatible power supply for PET detectors of an integrated PET/MR scanner
    Vito Gagliardi (IRCCS Stella Maris)
    23/05/2018, 12:20
    Talk
    Power supply of PET detectors is a serious issue for integrated PET/MRI systems, due to mutual interaction between power supply electronics and MRI magnetic fields. In this work, we developed a prototype of a magnetic compatible power supply, that can be safely placed and used in a MRI magnetic field. The power supply is a highly compact (5.2x5.2 cm) switching DC-DC converter iron-core...
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