Abstract
An electron-electron coincidence method for precise measurements of internal conversion probabilities is described. By usingK-Auger electrons the atom itself provides a unity standard in the same nuclear decay. The method is applied to the decay of111In in which theK-conversion probability of the 245 keV transition is determined to be 0.0494±0.0011. Relative internal conversion intensities and transition energies are determined using a double focussing spectrometer. These data make it possible to calculate conversion coefficients for all electron shells.
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The authors wish to thank ProfessorKai Siegbahn for his kind interest in this work. Many thanks are due to Dr. R.Sommerfeldt for suggesting several improvements of the manuscript. This work has been financially supported by the Swedish Atomic Research Council.
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Sparrman, P., Marelius, A., Sundström, T. et al. Conversion coefficients of transitions in111Cd by a new precision method. Z. Physik 192, 439–448 (1966). https://doi.org/10.1007/BF01325991
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DOI: https://doi.org/10.1007/BF01325991