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High-energy X-ray fluorescence measurements using a Compton spectrometer

Introduction It is significant to explore the energy levels of 4f and valence electrons of lanthanides through the detailed spectral features of K X-ray fluorescence [1]. Although a conventional Ge detector can resolve Kβ1 and Kβ2 in Kβ spectra, further high-resolution experiments in 40-60keV region are of great interest. This report describes the preliminary measurements of lanthanides performed with a Compton spectrometer.