Göttingen 2025 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 5: Silicon Detectors I (ATLAS + CMS)
T 5.5: Vortrag
Montag, 31. März 2025, 17:45–18:00, VG 0.111
Testing of ATLAS ITk pixel detector modules — Markus Cristinziani1, Qader Dorosti1, •Luke Hammer1, Stefan Heidbrink2, Lasse Jäderberg1, Nils Krengel1, Nico Malinowski1, Denise Müller1, Jason Müller1, Noah Siegemund1, Waldemar Stroh2, Wolfgang Walkowiak1, Jens Winter2, Michael Ziolkowski2, and Alessia Zuev1 — 1Experimentelle Teilchenphysik, Center for Particle Physics Siegen, Universität Siegen — 2Elektronikentwicklungslabor Physik, Universität Siegen
The upcoming High-Luminosity LHC upgrade will significantly increase the LHC's instantaneous luminosity by a factor of 5 starting in 2030. The ATLAS detector upgrade introduces a comprehensive, all-silicon inner tracking system (ITk), comprising sophisticated silicon strip and pixel modules that will completely replace the existing Inner Detector. At the University of Siegen, modules of the Outer Barrel Pixel detector will be assembled and tested, requiring complex setups and intensive quality control procedures to ensure the precision, functionality and reliability of each detector module. In this talk these test setups will be presented. They comprise a comprehensive electrical testing system with integrated interlock mechanisms to protect module integrity during characterization, and a sophisticated thermocycling setup designed to assess module performance after extreme temperature variations.
Keywords: ATLAS experiment; ITk pixel detector; HL-LHC upgrade; Pixel module testing