Modelling the Effect of Neutron Damage on Low-Gain Avalanche Detectors
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Abstract
Low-Gain Avalanche Detectors are pivotal for the advancement of future nuclear, particle, and astroparticle experiments due to their exceptional fast timing capabilities and radiation hardness. Studying the performance of these detectors under adverse radiation environments is of significant importance, both from the fabrication and modelling point of view. This research aims to develop a reliable neutron-induced radiation damage model specifically for Low-Gain Avalanche Detectors using the technology computer-aided design simulator, Silvaco. The capabilities of the neutron damage model in Silvaco, originally developed by our group for pad detectors, are enhanced further by incorporating the acceptor removal mechanism, thus making it applicable to both thin and thick Low-Gain Avalanche Detectors. Validating this model is essential to ensure the reliability and performance of Low-Gain Avalanche Detectors in high-radiation environments, thereby supporting their integration into next-generation collider experiments.
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