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Pia, M.G.; Weidenspointner, G.; Augelli, M.; Quintieri, L.; Saracco, P.; Sudhakar, M.; Zoglauer, A.
IEEE transactions on nuclear science, 12/2009, Letnik: 56, Številka: 6Journal Article
Particle induced X-ray emission (PIXE) is an important physical effect that is not yet adequately modelled in Geant4. This paper provides a critical analysis of the problem domain associated with PIXE simulation; it evaluates the conceptual approach, design and implementations of PIXE modelling so far available in Geant4, and describes a set of software developments to improve PIXE simulation with Geant4. The capabilities of the developed software prototype are illustrated and applied to a study of the passive shielding of the X-ray detectors of the German eROSITA telescope on the upcoming Russian Spectrum-X-Gamma space mission.
