VIBA-Lab 4.0: Computer program for Simulation and Quantitative analysis of PIXE, XRF and RBS Spectra

Track Date and time Hall Duration
Contributed Lectures Wednesday, 17. June 2015., 10:00 Orhideja Hall 20’

Ivica Orlić (1), Marija Čargonja (1), Igor Mekterović (2), Darko Mekterović (1)

(1) Department of Physics, University of Rijeka, Croatia
(2) Faculty of Electrical Engineering, University of Zagreb, Croatia

VIBA-Lab computer program was originally developed as an interactive software package for simulation of Particle Induced X-Ray Emission (PIXE) and Backscattering Spectra (BS) for a wide range of experimental parameters and layered sample composition. The program is now upgraded with a number of new features. To enable program to run on all major operating systems (Windows, Mac OS, Linux) new, JavaFX based Graphic User interface (GUI) is implemented. Physics routines, originally written in Fortran 77 and C++ are translated into Java programing language. In terms of functionality, several new features are added: 1. Besides simulating PIXE and BS spectra, user can now simulate X-Ray Fluorescence (XRF) spectra as well; 2. Spectrum fitting routine is added so user can perform quantitative analysis of samples excited with multiple, PIXE and XRF excitation sources; 3. Various auxiliary programs are available to calculate and graphically display functions like detector efficiency, mass attenuation coefficients, various theoretical approximations of ionization cross sections for K and L shells as well as fundamental atomic parameters such as Coster-Kronig transition probabilities, fluorescence yields and emission rates from the most commonly used references.

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