Relative intensity of the Kβ5 X-ray line

I. Török, T. Papp, J. Pálinkás, M. Budnar, A. Mühleisen, J. Kawai, J. L. Campbell

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Abstract

The relative intensity of the Kβ5 (K-MIV,V) X-ray line as a function of the atomic number of the emitting elements is very strongly enhanced around Z = 24 (chromium) relative to predictions of the single-particle model for this electric dipole (E1) forbidden transition. The enhancement is attributed to solid state or chemical effects. The Kβ5 transition can be E1-allowed because in chemical compounds the outermost 3d level forms the valence shells, while in metals it becomes a broad band. The intensity of this line can therefore vary with the chemical state. We have determined the Kβ5/Kβ1 intensity ratio that results from proton impact on Ca, Ti and Cr, and we have collected the experimental data available in the literature. The influence of the sharp increase in the Kβ5 intensity on the Kβ/Kα intensity ratio and on X-ray analytical methods (e.g. proton induced X-ray emission, electron probe microanalysis, etc.) is discussed.

Original languageEnglish
Pages (from-to)9-14
Number of pages6
JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume114
Issue number1-2
DOIs
Publication statusPublished - Jun 1996

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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