High-resolution KMM radiative Auger x-ray emission spectra of calcium induced by synchrotron radiation
- Cao, Wei Department of Physics, University of Fribourg, Switzerland
- Kavčič, Matjaz J. Stefan Institute, Ljubljana, Slovenia
- Dousse, Jean-Claude Department of Physics, University of Fribourg, Switzerland
- Berset, Michel Department of Physics, University of Fribourg, Switzerland
- Bučar, K. J. Stefan Institute, Ljubljana, Slovenia
- Budnar, M. J. Stefan Institute, Ljubljana, Slovenia
- Fennane, Karima Department of Physics, University of Fribourg, Switzerland
- Hoszowska, Joanna Department of Physics, University of Fribourg, Switzerland
- Maillard, Yves-Patrick Department of Physics, University of Fribourg, Switzerland
- Szlachetko, Jakub Swiss Light Source, Paul Scherrer Institute, Villigen, Switzerland - Institute of Physics, Jan Kochanowski University, Kielce, Poland
- Szlachetko, Monika Department of Physics, University of Fribourg, Switzerland
- Žitnik, M. J. Stefan Institute, Ljubljana, Slovenia
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20.04.2011
Published in:
- Physical Review A. - 2011, vol. 83, no. 4, p. 042513
English
The KMM radiative Auger (RA) x-ray spectra of solid Ca were induced by monochromatic synchrotron radiation and measured with a high-resolution von Hamos bent crystal spectrometer. Two excitation energies were employed, one in the near K threshold region and the second well above the K absorption edge. The KMM RA spectral structure and relative intensity with respect to the diagram Kβ1,3 (K-M3,2) line are found to be independent of the excitation energy. The overall RA structure resembles the density of unoccupied s, p, and d states. Due to solid-state effects, however, spectral features resulting from the major discrete shake-up transitions could not be resolved. For the total KMM RA to Kβ1,3 yield ratio, a value of 0.053(3) is obtained. The latter is compared to theoretical predictions and available experimental data obtained by various types of target excitation.
- Faculty
- Faculté des sciences et de médecine
- Department
- Département de Physique
- Language
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- English
- Classification
- Physics
- License
- License undefined
- Identifiers
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- RERO DOC 22820
- DOI 10.1103/PhysRevA.83.042513
- Persistent URL
- https://folia.unifr.ch/unifr/documents/301794
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