FRANCIS, Z.; EL BAST, M.; EL HADDAD, R.; MANTERO, A.; INCERTI, S.; IVANCHENKO, V.; EL BITAR, Z.; CHAMPION, C.; BERNAL, M.A.; ROUMIE, M.

doi:10.1016/j.nimb.2013.08.006

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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 2013, vol. 316, p. 1-5

Elsevier

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The Geant4 PIXE de-excitation processes are used to simulate proton beam interactions with sample materials of known composition. Simulations involve four mono-elemental materials; Cu, Fe, Si and Al and three relatively complex materials: stainless steel, phosphor bronze and basal BE-N reference material composed of 25 different elements. The simulation results are compared to experimental spectra acquired for real samples analyzed using 3 MeV incident protons delivered by an ion tandem accelerator. Data acquisition was performed using a Si(Li) detector and an aluminum funny filter was added for the three last mentioned samples depending on the configuration to reduce the noise and obtain clear resulting spectrum. The results show a good agreement between simulations and measurements for the different samples.< Réduire

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A comparison between Geant4 PIXE simulations and experimental data for standard reference samples

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