PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T12 Detector R&D and Data Handling
Including radiation damage effects in ATLAS Monte Carlo simulations: status and perspectives
M. Bomben*, A. Collaboration  on behalf of the ATLAS Collaboration
Full text: pdf
Pre-published on: January 30, 2024
Published on: March 21, 2024
Signal reduction is the most important radiation damage effect on performance of silicon tracking detectors in ATLAS. Adjusting sensor bias voltage and detection threshold can help in mitigating the effects but it is important to have simulated data that reproduce the evolution of performance
with the accumulation of luminosity, hence fluence. ATLAS collaboration developed and implemented an algorithm that reproduces signal loss and changes in Lorentz angle due to radiation damage. This algorithm is now the default for Run3 simulated events. In this paper the algorithm will be briefly presented and results compared to first Run3 collision data. For the high-luminosity phase of LHC (HL-LHC) a faster algorithm is necessary since the increase of collision, event, track and hit rate imposes stringent constraints on the computing resources that can be allocated
for this purpose. The philosophy of the new algorithm will be presented.
DOI: https://doi.org/10.22323/1.449.0526
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