LGAD Technology for Precise Reaction Time Measurement in Heavy-Ion Experiments, Medical Applications and Detector Diagnostics.

4 Feb 2025, 09:45
20m
Sala Stringa (FBK, Trento)

Sala Stringa

FBK, Trento

Via Sommarive 18 38123 Povo di Trento ITALY
Oral Applications Applications 1

Speaker

Jerzy Pietraszko

Description

The rapid advancement of Low Gain Avalanche Diode (LGAD) technology for charged particle detection has reached an impressive level demonstrating exceptional performance in applications such as reaction time measurement, beam monitoring, and ion computed tomography (ion CT). Recent measurements conducted at MedAustron with helium (He) and carbon (C) ions have delivered promising results, showcasing significant potential for heavy ion applications. This is particularly relevant for future FAIR experiments, where LGADs could serve as a superior alternative to the traditionally used CVD diamond-based detectors.
The ability of LGADs to achieve precise particle position and time-of-arrival measurements operated at room temperatures with accuracies better than 100 µm and 100 ps, respectively, further enhances their usage for detector diagnostic purposes, such as in beam telescope systems.
This presentation will highlight the results obtained with LGAD detectors for time-of-flight measurements of protons, He, and C ions at MedAustron. It will also detail the integration of these sensors with a custom-developed amplifier board and an FPGA-based readout system developed at GSI. Additionally, an example application of LGAD sensors for diagnosing radiation-induced damage in a polycrystalline CVD diamond sensor, and plans related to readout development for large-area detection systems, will be discussed.

Author

Co-authors

Mr Albert Hirtl Ashish Bisht (Fondazione Bruno Kessler (FBK)) Barbara Knäusl Christian Joachim Schmidt (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE)) Felix Ulrich-Pur Jan Michel (Goethe University Frankfurt) Matteo Centis Vignali (FBK) Mr Matthias Kausel (TU Wien, Atominstitut) Michael Traeger (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE)) Michael Traxler (GSI Helmholtzzentrum für Schwerionenforschung GmbH) Mladen Kis (GSI - Helmholtzzentrum fur Schwerionenforschung GmbH (DE)) Serguei Linev (GSI Darmstadt) Tetyana Galatyuk Thomas Bergauer (Austrian Academy of Sciences (AT)) Wilhelm Krüger Yevhen Kozymka (TU Darmstadt)

Presentation materials