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Simultaneous Reconstruction of Emission and Attenuation in Passive Gamma Emission Tomography of Spent Nuclear Fuel
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<span title="2019-04-17">2019</span>
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arXiv
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The fuel material heavily self-attenuates its gamma-ray emissions, so that correctly accounting for the attenuation is a critical factor in producing accurate images. ...
The International Atomic Energy Agency (IAEA) has recently approved passive gamma emission tomography (PGET) as a method for inspecting spent nuclear fuel assemblies (SFAs), an important aspect of international ...
of the kernel stay inside the disk of variables. ...
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Simultaneous reconstruction of emission and attenuation in passive gamma emission tomography of spent nuclear fuel
<span title="">2020</span>
<i title="American Institute of Mathematical Sciences (AIMS)">
<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/axidtgwpanf6rabcadvwl4axum" style="color: black;">Inverse Problems and Imaging</a>
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Attenuation of the 662 keV gamma rays from 137 Cs between the center and the edge of an SFA is of the order of a factor 100. ...
In fuel cooled for up to 20 years, using gamma ray energies that are higher than those of 137 Cs (>700 keV) in image reconstruction results in better water-to-fuel contrast compared to using lower energies ...
Attenuation of the 662 keV gamma rays from 137 Cs between the center and the edge of an SFA is of the order of a factor 100. ...
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