RD53A pixel module assembly and testing experience
Alexey Petrukhin

TL;DR
This paper discusses the assembly, testing, and performance results of RD53A prototype pixel modules, which are crucial for the upgraded ATLAS Inner Tracker in high-luminosity conditions.
Contribution
It introduces standardized assembly and testing techniques for RD53A modules used in the ATLAS ITk upgrade, highlighting their construction and electrical performance.
Findings
Successful module assembly and metrology results
Electrical testing confirms module functionality
Standardized procedures improve module quality
Abstract
The entire tracking system of the ATLAS experiment will be replaced during the LHC Phase-II shutdown. A new silicon Inner Tracker (ITk) will contain five pixel layers equipped with new sensors and readout electronics capable to improve the tracking performance, cope with the high particle multiplicity and work in a high-luminosity environment. In order to standardize modules of the Inner Tracker, the idea of a common hybrid pixel module was introduced to be used in all regions of the detector. The common hybrid module assembly and testing techniques will be presented. The module construction, metrology and electrical testing results will be discussed. The work was done with the RD53A pixel modules - prototype modules towards the final ITk pixel detector.
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Taxonomy
TopicsParticle Detector Development and Performance · Particle physics theoretical and experimental studies · Radiation Detection and Scintillator Technologies
