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Gießen 2024 – scientific programme

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HK: Fachverband Physik der Hadronen und Kerne

HK 27: Instrumentation VI

HK 27.5: Talk

Tuesday, March 12, 2024, 18:45–19:00, HBR 19: C 1

First experimental time-of-flight based proton radiography — •Felix Ulrich-Pur1, Thomas Bergauer2, Tetyana Galatyuk1,3,4, Albert Hirtl5, Vadym Kedych3, Yevhen Kozymka3, Wilhelm Krüger3, Sergey Linev1, Jan Michel1, Jerzy Pietraszko1, Adrian Rost6, Christian Joachim Schmidt1, Michael Träger1, and Michael Traxler11GSI Helmholtzzentrum für Schwerionenforschung GmbH — 2Austrian Academy of Sciences, Institute of High Energy Physics — 3Technische Universität Darmstadt — 4Helmholtz Forschungsakademie Hessen für FAIR — 5TU Wien, Atominstitut — 6FAIR Facility for Antiproton and Ion Research in Europe GmbH

Low Gain Avalanche Detectors (LGADs) are silicon-based detectors especially designed for high luminosity environments. Due to their excellent 4D-tracking properties, LGADs allow single particle tracking with high spatial and time precision even at high track densities.
One application that could particularly benefit from this high rate capability is ion computed tomography (iCT), an imaging modality aiming at the improvement of treatment planning quality in ion beam therapy. Building an iCT system based on LGADs, would not only help to address the rate limitations of current iCT prototype scanners, but it would also allow to integrate time-of-flight measurements into the imaging process itself, also referred to as TOF-iCT.
In this contribution, we will present our development efforts towards a TOF-iCT system based on LGADs and show the first experimental TOF-based proton radiography recorded at MedAustron.

Keywords: Low Gain Avalanche Detector; Ion Computed Tomography; Time-of-flight; Sandwich TOF-iCT

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