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T: Fachverband Teilchenphysik

T 12: Silicon Detectors II

T 12.7: Vortrag

Montag, 16. März 2026, 17:45–18:00, KH 01.022

Petal Loading for the ITk Strip Endcap — •Mariana Vivas Albornoz — Deutsches Elektronen-Synchrotron (DESY), Hamburg, Germany

The ATLAS detector will be upgraded for operation at the High Luminosity LHC. The upgrade of the detector includes the construction of a new all-silicon inner tracker (ITk) to effectively take data in an environment with increased pile-up and corresponding high occupancies. The ITk detector is composed of an outer silicon microstrip-based (strip) detector and an inner pixel detector. Both trackers are divided into a barrel region, around the interaction point, and two endcaps, extending into the forward regions. One strip endcap is being constructed at DESY. A strip endcap is composed of 192 petals holding 12 silicon module detectors in place. The assembly work for 96 petals is taking place at DESY. The silicon modules are loaded onto the petal cores via a multi-step procedure that requires careful handling and micrometer level precision. This contribution summarizes the steps and techniques involved in the loading task, and explains how precision during each step of the process is necessary for the overall functioning of the new ITk detector.

Keywords: HL-LHC; ITk; Silicon detector; Assembly; Support structure