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T: Fachverband Teilchenphysik

T 27: Silicon Detectors III (ATLAS + CMS production)

T 27.2: Vortrag

Dienstag, 1. April 2025, 16:30–16:45, VG 0.111

Production of Outer Barrel pixel detector modules for the ATLAS ITk pixel detector - Quality control during electrical testing — Yannick Dieter, Jochen Dingfelder, Matthias Hamer, Florian Hinterkeuser, Fabian Hügging, Hans Krüger, Maximilian Mucha, •Matthias Schüssler, and Alexandra Wald — University of Bonn, Physikalisches Institut, Nußallee 12, 53115 Bonn, Germany

With the upgrade of the Large Hadron Collider (LHC) to the High-Luminosity LHC (HL-LHC), the instantaneous luminosity will increase by a factor of 5 with respect to its design value from 2029 onward. This results in unprecedented hit rates and radiation levels which require major upgrades of the detectors at the HL-LHC to meet these challenging requirements.

For the upgrade of the ATLAS detector, a new all-silicon inner tracking detector (ITk detector) consisting of silicon strip and pixel modules will be installed to replace the currently operated Inner Detector. In total, approximately 10.000 new pixel detector modules have to be built and carefully tested to ensure that only functional detector modules are installed. During the 2-year production of the ATLAS ITk pixel detector, approximately 1200 pixel detector modules will be built and tested at the Forschungs- und Technologiezentrum Detektorphysik (FTD) in Bonn. This large-scale production requires a dedicated quality control (QC) effort to assure the functionality of the final detector. This talk provides an overview of the electrical testing procedures for assembled modules that will be performed at the FTD in Bonn.