Göttingen 2025 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 90: Silicon Detectors VII (ATLAS + CMS phase-2)

T 90.2: Vortrag

Freitag, 4. April 2025, 09:15–09:30, VG 0.111

Electrical testing of loaded cells for the ATLAS ITk Pixel loaded local support pre-production — •Nico Klein, Desch Klaus, Matthias Hamer, Florian Hinterkeuser, Alexandra Wald, and Dominik Hauner — Physikalisches Institut, Universität Bonn, Deutschland

The high luminosity upgrade for the Large Hadron Collider at CERN requires a complete redesign of the current tracking detector of the ATLAS experiment. The new Inner Tracker, the ITk Detector, will consist of a silicon pixel detector and a silicon strip detector. The ITk Pixel Detector is divided into three subsystems, the Outer Barrel (OB), Outer Endcaps and Inner System. In the OB, modules are loaded on thermally conducting cells (now called loaded cells) before they are mounted on the local supports (so-called longerons and half-rings). Before the loaded cells are mounted on the support structures, they are individually tested for basic functionality after shipment. In this talk I will present the results of the reception tests of the loaded cells for the first pre-production half-ring that has been assembled in Bonn.

Keywords: Pixel; ITk; ATLAS; Cell integration