DEVELOPMENT OF SOFTWARE FOR X-RAY ANALYTICAL METHODS AND QUANTITATIVE INSTRUMENTAL SPECIATION METHODS FOR PARTICLE INDUCED X-RAYS EMISSION (PIXE)

L3 yields of Yb measured during Oxygen beam irradiations showed differences between O²⁺ and O³⁺ beam irradiations, for the same energy, after taking into account the collecting charge for each single spectrum, corrected to the ion charge. As shown below, at 3.0 MeV, the values obtained for O²⁺ are nearly twice the values obtained for O³⁺.