Geant4 simulations of detector response matrix for Caliste-SO

J. Barylak; P. Podgórski; T. Mrozek; A. Barylak; M. Stęślicki; J. Sylwester; D. Ścisłowski

doi:10.1117/12.2075654

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16 December 2014 Geant4 simulations of detector response matrix for Caliste-SO

J. Barylak, P. Podgórski, T. Mrozek, A. Barylak, M. Stęślicki, J. Sylwester, D. Ścisłowski

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Proceedings Volume 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014; 929037 (2014) https://doi.org/10.1117/12.2075654
Event: Symposium on Photonics Applications in Astronomy, Communications, Industry and High-Energy Physics Experiments, 2014, Warsaw, Poland

Abstract

The paper presents a method for determining the Detector Response Matrix (DRM) using Monte Carlo simulations. For this purpose Geant4 package was used which enables simulations of the interaction of particles with matter. The DRM has been calculated for cadmium telluride sensor of Caliste-SO detector, which will be used in the Solar Orbiter/STIX instrument. Solar Orbiter is the M-class mission of the new ESA’s program Cosmic Vision 2015-2025. It is to be launched in July 2017. STIX will provide imaging spectroscopy of solar hard X-ray emissions from 4 keV to 150 keV using a Fourier-imaging technique. Long operation of detectors under space condition raises a need for development of dedicated tools for analysis of behaviour of the detectors in changing/harsh radiation environment and its impact on detector quantum efficiency due to aging effects. Obtained results exhibit a high usefulness of Geant4 package in this kind of analysis.

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J. Barylak, P. Podgórski, T. Mrozek, A. Barylak, M. Stęślicki, J. Sylwester, and D. Ścisłowski "Geant4 simulations of detector response matrix for Caliste-SO", Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 929037 (16 December 2014); https://doi.org/10.1117/12.2075654

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