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SUMMARY:Monitoring spent nuclear fuel repositories with passive gamma emis
 sion tomography - Tatiana Alessandra Bubba (University of Bath)
DTSTART:20230516T150000Z
DTEND:20230516T160000Z
UID:TALK198109@talks.cam.ac.uk
DESCRIPTION:Verification of spent nuclear fuel is a prerequisite for dispo
 sal in a geological repository. The verification method needs to be reliab
 le and quick and allow non-destructive investigation of the fuel assemblie
 s to ensure the integrity of the fuel prior to disposal. Recently IAEA has
  approved Passive Gamma Emission Tomography (PGET) to be used as a tool in
  rod-level examination of assemblies. In this talk\, I&nbsp\;propose a met
 hod based on simultaneous reconstruction of activity and attenuation image
 s with sufficient prior information\, formulating the reconstruction as a 
 constrained minimization problem with a data fidelity term and regularizat
 ion terms.&nbsp\;The approach is shown to&nbsp\;produce clear reconstructi
 ons which allow for a highly reliable classification of spent\, missing\, 
 and fresh fuel rods. Several reconstruction examples from measured data wi
 ll be presented in the talk.
LOCATION:Seminar Room 1\, Newton Institute
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