Simultaneous PIXE and RBS data analysis using Bayesian Inference with the DataFurnace code

Details Simultaneous PIXE and RBS data analysis using Bayesian Inference with the DataFurnace code Simultaneous PIXE and RBS data analysis using Bayesian Inference with the DataFurnace code

2007-07-17

arxiv.org/abs/0707.2429v1

Nuclear Instruments and Methods in Physics Research Section B 249, 780-783 (2006)

Physics

Condensed Matter

Materials Science

10 pages, 5 figures. Paper initially presented to IBA2005. Please cite the published version (DOI:10.1016/j.nimb.2006.03.190)

Scientific paper

10.1016/j.nimb.2006.03.190

The Rutherford Backscattering Spectroscopy (RBS) and Particle Induced X-ray Emission (PIXE) techniques can be used to obtain complementary information about the characteristics of a sample but, traditionally, a gap has separated the available computer codes for analyzing data from each technique, being hard to simultaneously analyze data from the same sample. The recent development of a free and open source library, LibCPIXE, for PIXE simulation and analysis of arbitrary multilayered samples, has permitted to integrate this technique into the DataFurnace code which already handles many other IBA techniques such as Rutherford and non-Rutherford backscattering, elastic recoil detection, and non-resonant nuclear reaction analysis. The fitting capabilities of DataFurnace can therefore now be applied to PIXE spectra as well, including the Bayesian Inference analysis and the simultaneous and coherent fitting of multiple spectra from different techniques. Various examples are presented in which the simultaneous RBS and PIXE analysis allows us to obtain consistent results that cannot be obtained by independent analysis of the data from each technique.

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