PoS - Proceedings of Science
Volume 450 - The Eleventh Annual Conference on Large Hadron Collider Physics (LHCP2023) - session Poster session
ATLAS Liquid Argon Calorimeter Frontend electronics Phase-2 upgrade
E. Mazzeo* and  on the behalf of ATLAS Liquid Argon Calorimeter group
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Pre-published on: January 15, 2024
Published on:
A new era of hadron collisions will start around 2029 with the High-Luminosity LHC, which will allow to collect ten times more data than the amount that has been collected during the past 10 years of operation at LHC. This will be achieved by higher instantaneous luminosity, at the price of higher number of collisions per bunch crossing.
\noindent In order to withstand the high expected radiation doses and the harsh data taking conditions, the ATLAS Liquid Argon Calorimeter readout electronics will be upgraded.
\noindent The electronic readout chain is composed of four main consituents. New front-end boards and calibration boards will be installed on-detector, while, off-detector, signal processing boards and a new timing and control system will take care of the energy and time reconstruction and synchronization of the readout electronics respectively. The custom electronics in each subsystem will satisfy stringent requirements for both noise level and linearity, and, for the on-detector components, maintain functionality up to 1.4 kGy (TID) and $4.1 \times 10^{13}$ $n_{eq}$/cm$^2$ (NIEL). The current development status and the performances of both the on-detector and off-detector electronics will be presented.
DOI: https://doi.org/10.22323/1.450.0249
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