Study of a Geant4 simulation for the determination of the sensitivity of an ATLAS RPC chamber to gamma and neutrons

Gianluigi Alberghi,Lorenzo Bellagamba, Davide Boscherini,Alessia Bruni,Massimo Corradi,Alberto Mengarelli,Matteo Negrini,Alessandro Polini,Marino Romano

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2020）

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摘要

The sensitivity of Resistive Plate Chambers (RPCs) to neutrons and gammas is a key parameter to predict the signal rate of these chambers in a high-radiation environment, such as for the high-luminosity upgrade of the LHC. In this work the RPC sensitivity to neutral radiation is computed by means of a Geant4 simulation. The results are compatible with the available measurements and other predictions in the literature, except for neutrons with energy below 1 MeV which represent a large fraction of the radiation in the LHC environment.

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关键词

Resistive Plate Chamber (RPC),Geant4,Gamma,Neutrons

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