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Automated Assembly of Petals and Staves for the ATLAS New Inner Tracker Strip Detector

Collaboration
•
Dec 17, 2024
6 pages
Published in:
  • PoS ICHEP2024 (2025) 1201
Contribution to:
  • Published: Dec 17, 2024
DOI:
Experiments:
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Abstract: (SISSA)
The ATLAS experiment is gearing up for the HL-LHC upgrade, with an all-silicon Inner Tracker (ITk) that will replace the current Inner Detector. The ITk will feature a pixel detector surrounded by a strip detector, with the strip system consisting of 4 barrel layers and 6 endcap disks. The strip tracker will consist of 11,000 silicon sensor modules in the central region and 7,000 modules in the end-cap region, which are mounted onto larger carbon-fibre support structures called ‘petals’ for the end-cap and ‘staves’ for the barrel. To facilitate the assembly of these larger detector structures, an automated system has been developed for mounting modules on petals and staves. The automated procedure streamlines and simplifies the production process and ensures uniformity across the international production clusters. This contribution presents the latest results from the assembly of the first ATLAS ITk pre-production petals and staves, alongside electrical test results and performance measures.