25 July 2014 Monte Carlo simulations of gamma-ray space telescopes: a BoGEMMS multi-purpose application
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Abstract
After the development of a BoGEMMS (Bologna Geant4 Multi-Mission Simulator) template for the background study of X-ray telescopes, a new extension is built for the simulation of a Gamma-ray space mission (e.g. AGILE, Fermi), conceived to work as a common, multi-purpose framework for the present and future electron tracking gamma-ray space telescopes. The Gamma-ray extension involves the Geant4 mass model, the physics list and, more important, the production and treatment of the simulation output. From the user point of view, the simulation set-up follows a tree structure, with the main level being the selection of the simulation framework (the general, X-ray or gamma-ray application) and the secondary levels being the detailed configuration of the geometry and the output format. The BoGEMMS application to Gamma-ray missions has been used to evaluate the instrument performances of a new generation of Gamma-ray telescopes (e.g. Gamma-Light), and a full simulation of the AGILE mission is currently under construction, to scientifically validate and calibrate the simulator with real in-space data sets. A complete description of the BoGEMMS Gamma-ray framework is presented here, with an overview of the achieved results for the potential application to present and future experiments (e.g., GAMMA-400 and Gamma-Light). The evaluation of the photon conversion efficiency to beta particle pairs and the comparison to tabulated data allows the preliminary physical validation of the overall architecture. The Gamma-ray module application for the study of the Gamma-Light instrument performances is reported as reference test case.
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Valentina Fioretti, Valentina Fioretti, Andrea Bulgarelli, Andrea Bulgarelli, Marco Tavani, Marco Tavani, Martino Marisaldi, Martino Marisaldi, Sabina Sabatini, Sabina Sabatini, Giuseppe Malaguti, Giuseppe Malaguti, Massimo Trifoglio, Massimo Trifoglio, Fulvio Gianotti, Fulvio Gianotti, } "Monte Carlo simulations of gamma-ray space telescopes: a BoGEMMS multi-purpose application", Proc. SPIE 9144, Space Telescopes and Instrumentation 2014: Ultraviolet to Gamma Ray, 91443N (25 July 2014); doi: 10.1117/12.2056442; https://doi.org/10.1117/12.2056442
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