Inelastic x-ray scattering from copperK-shell electrons at intermediate momentum transfers

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Abstract
We give experimental spectra for 70- and 62-keV x rays inelastically scattered from the K-shell electrons of copper. The x rays scattered from the K shell were selected by fluorescence coincidence. The scattering is in a momentum-transfer regime in which the impulse approximation is not valid, and atomic binding effects are important. The data are in agreement within experimental uncertainties in absolute scattering strength and spectral shape with a Hartree-Fock-Slater calculation. In contrast to previous work we do not see separate spectral features attributable to Compton and Raman scattering.