Relative L-shell X-ray emission rates in PIXE

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Ruder Boskovic Inst, Zagreb, Croatia [1 ]
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Nucl Instrum Methods Phys Res Sect B | / 9-14期
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Database systems - Electrons - Elementary particle sources - Ions - Photons - X ray production;
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摘要：
L shell X-ray emission rates usually used as a part of a data base for analysis of PIXE spectra are theoretical values based on Dirac-Hartree-Slater (DHS) or Dirac-Hartree-Fock (DHF) calculations, or semiempirical data of Salem et al., obtained from pre-1974 experiments with radioactive sources or sources ionized by photon or electron bombardment. Recently published L-subshell X-ray production cross sections by proton impact have been used to extract relative L-shell X-ray emission rates for some groups of L-shell X-ray lines, in order to compare them with the values from the three data bases mentioned before.
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