Abstract

Total M X-ray fluorescence cross sections for the elements Pt, Au and Pb have been measured at incident photon energies 5.47, 5.96, 7.04, 8.14, 8.74 and 9.36 keV. Average M-shell fluorescence yield at each incident photon energy has been deduced, using the experimental total M X-ray fluorescence cross section and theoretical M-shell photoionisation cross sections. Experimental total M X-ray fluorescence cross sections and M-shell fluorescence yields are found to be in good agreement with the theoretical estimates based on relativistic Dirac-Hartree-Slater theory.

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