Muonic X-ray measurements on mixtures of CaO/MgO and Fe 3 O 4 /MnO

Elemental analysis by measurement of muonic X-rays shows great potential for analyzing the elemental composition of a bulk material at a specific depth without sample destruction. For quantitative analysis, muon capture probability is the most important parameter. In this work, the muon capture ratios and muonic X-ray intensity patterns of metal oxides for geochemically and cosmochemically important compounds, MgO, CaO, MnO and Fe3O4, were determined. The muon capture ratios of Ca/Mg and Fe/Mn were proportional to the mixing ratios of CaO/MgO and Fe3O4/MnO. From this relationship, the elemental composition can be determined from the muonic X-ray intensity ratio alone.