Abstract
An emission tomography system has been used to carry out experiments to simulate the scanning of irradiated nuclear fuel. A phantom made of titanium containing a multi-energetic radionuclide, 182Ta, has been used in conjunction with a high resolution intrinsic germanium detector to study the effects of scattering and attenuation on the image obtained. Reconstructed images produced from data in two energy regions, one a “photopeak window” and the other a “scattering window” show the importance of these effects with multi-energetic spectra. 182Ta sources separated by 0.5 mm of titanium could be resolved.
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