Speaker
Description
Scintillating glass is a promising active material for the AGORA high-granularity calorimeter concept for future electron–positron colliders, owing to its high density, potentially high light yield, relatively low cost, and feasibility for large-scale fabrication. As part of the detector R&D program, we perform systematic laboratory characterization of scintillating-glass samples using radioactive sources and cosmic-ray muons with SiPM readout. These measurements are used to evaluate the detected light yield under different experimental conditions.
To better understand the experimental observations, a dedicated Geant4 optical simulation has been developed, including scintillation-photon generation and transport, optical surface effects, and SiPM photon detection. The simulation is configured to reproduce the experimental setup and conditions as closely as possible. A preliminary comparison between simulation and measurement shows reasonable agreement in the detected light yield, providing a basis for further studies of the optical response of scintillating glass.
The combined experimental and simulation studies provide input for understanding the optical performance of scintillating glass and for optimizing its application in the AGORA calorimeter. These studies also contribute to assessing whether the achievable photon statistics can support the targeted energy resolution of electromagnetic and hadronic calorimetry at future collider experiments.
