ATLAS LAr calorimeter commissioning for LHC Run-3. (1st January 2023)

• Record Type: Journal Article
• Authors: Zang, J.
• Is Part Of: Journal of instrumentation. Volume 18:Number 1(2023)
• Publication Date: 2023-01-01
• Subjects: Front-end electronics for detector readout -- Trigger concepts and systems (hardware and software); Scientific apparatus and instruments -- Periodicals; 502.84
• DOI: 10.1088/1748-0221/18/01/C01045
• Languages: English
• ISSNs: 1748-0221

Abstract

Abstract: To cope with the increase of the luminosity at Run-3 of the LHC, new trigger readout electronics have been installed on the Liquid Argon Calorimeters. More than 1500 boards of the legacy system were refurbished and re-installed, 124 new on-detector boards and 116 new back-end mezzanine cards equipped with large FPGAs were added to digitize the calorimeter trigger signals. All the monitoring and control infrastructure is being adapted and commissioned. These proceedings will present the challenges of the installation, the commissioning, and the works still to be completed toward the full operation of both the legacy and the digital trigger in the LHC Run-3.