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Parametric X-ray radiation (PXR) at energies from 15 to 30keV was produced by a 45MeV electron linear accelerator (LINAC) using a silicon (Si) single crystal. The appropriate conditions for generation of good monochromatic hard X-ray fields by PXR were obtained with the LINAC by theoretical calculations and experiments. The PXR intensity increased approximately linearly with the electron energy in...
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