Study of a GEANT4 simulation for the determination of the sensitivity of an ATLAS RPC chamber to gamma rays and neutrons

摘要

The experiments at the Large Hadron Collider operate in a large radiation background. In the perspective of the future increase of the luminosity, estimates of the signal rate caused by neutral radiation (gamma rays and neutrons) coming from collisions in the beam-pipe material, magnets, or from the activation of materials in the experimental area, must be assessed, in order to determine the signal rate per unit area, as this is one of the main parameters that could affect the proper functioning of the RPCs. We describe preliminary results of a GEANT4 simulation to assess the ATLAS-like double-gap RPC chamber sensitivity to gamma rays and neutrons.