Abstract
A combination of simultaneous Proton Induced X-Ray Emission Tomography (PIXE-T), Scanning Transmission Ion Microscopy Tomography (STIM-T) and Rutherford Backscattering Spectrometry (RBS) can produce 3D quantitative elemental maps with a resolution on the micron scale. This combination is being developed at the Instituto Tecnológico e Nuclear-Instituto Superior Técnico (ITN-IST) nuclear microprobe facility. To reconstruct complex datasets, iterative procedures are usually applied. GPU-accelerated PIXE-T/STIM-T simulation software has been developed and used in conjunction with an iterative reconstruction software DISRA and an MLEM algorithm to reconstruct data produced by simulating a PIXE-T experiment of a phantom.
Published Version
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