Erlangen 2026 – scientific programme

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T: Fachverband Teilchenphysik

T 33: Silicon Detectors IV

T 33.1: Talk

Tuesday, March 17, 2026, 16:15–16:30, KH 01.022

Production of Outer Barrel pixel detector modules for the ATLAS ITk pixel detector at the FTD in Bonn — •Matthias Schüßler, Yannick Dieter, Jochen Dingfelder, Florian Hinterkeuser, Fabian Hügging, Hans Krüger, Matthias Hamer, and Maximilian Mucha — Physikalisches Institut der Universität Bonn, 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 2030 onward. This results in unprecedented hit rates and radiation levels which require major upgrades of the detectors at the HL-LHC.

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 currently ongoing 2-year production of the ATLAS ITk pixel detector, at least 1600 pixel detector modules are being 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 assembly and testing procedures that are ongoing at the FTD in Bonn, including an overview of the production so far.

Keywords: ITk; ATLAS; Module Production