Abstract
Abstract A procedure to correct Compton profiles for geometrical effects, related to the solid angles subtended for an X-ray source and detector, has been obtained. The geometrical response function for a given experimental set up is found by a Monte Carlo simulation program and is meant to be used as a histogram for convolution purposes. The main features of this function show that it is not peaked at the angle between collimator axes because the maximum is shifted towards greater values and also increasingly broadens as this angle decreases. This procedure corrects the profile shape as a whole, not only its width as was done in previous methods. We have tested this correction with data taken from an experiment in which 60 keV photons from a 241Am radioactive source were scattered in a triple-distilled water sample and detected with an intrinsic germanium detector. A Compton profile, measured at an angle of 135°, was compared with a tabulated one convoluted with the distribution function, and thus the re...
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