Developments for the ATLAS ITk Pixel Loaded Local Supports Readout System

The High Luminosity LHC upgrade requires the upgrade of the Inner Detector, which will be replaced by the all-silicon Inner Tracker (ITk). The ITk has two subsystems: the Pixel and the Strip detector. The Pixel detector is composed of around 10,000 modules, i.e. detector units. Groups of modules will be loaded on carbon fibre structures, forming the Loaded Local Supports. This master’s thesis presents a preliminary evaluation of the FELIX/YARR readout chain, selected for performing quality control tests on the Loaded Local Supports. The data collected during the readout chain tests has led to identifying necessary developments for the YARR software. Consequently, the Data Acquisition software was upgraded to feature a new design with a parallel multi-module configuration.