Precise Energies of K-Röntgen-Lines of Tm, Th, U and Pu

Abstract

The energies of the Kα 1 - and Kα 2 -Röntgen lines of Tm, Th, U and Pu have been measured with high accuracy relative to the 411.794 keV 𝛾-line from a gold source. In addition, the energies of a few Kß lines have been determined.