Fast simulation of a Time-of-Flight detector for Forward Protons at the LHC
October 27, 2021
November 17, 2021
Forward Proton Detectors at the CERN LHC aim to study soft and hard diffractive events from high-energy proton-proton collisions. Time-of-Flight systems at the LHC are used to reduce the background from multiple proton-proton collisions. In this presentation, we describe technical details of a fast Cherenkov model of photon generation and transport through quartz bar-shaped Cherenkov radiators of a ToF detector. The fast simulation uses Python programming language and Numba - high performance compiler. The calculation is about 200 times faster than a typical Geant4 simulation and provides comparable results concerning path length and time-of-arrival distributions of photons at the photon detector. Moreover, the fast simulation allows easy computation of the time resolution of the different Cherenkov bars of such a time-of-flight detector.
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