Abstract
We are investigating the extent/existence of PB contributions to the X-ray spectra at 90° to the electron beam for experiments involving 50keV electrons on Au targets. Our experimental results, for a range of target thicknesses from 63μg/cm2 to CSDA range of the electrons, are compared to results obtained using the Monte Carlo program, PENELOPE, which is based on ordinary bremsstrahlung. We have reduced the error in target thickness of previous cross section measurements by determining the average target thickness using X-ray absorption.
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