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Erik Franke, Dietrich Hoppe

Determination of the Distribution of Radioactivity within Waste Crates by Use of Large Area, not Focused, Fixed Plastic Scintillators

High efficiency and short measurement times are remarkable features of the use of large area Gamma-Plast detectors. However no high spatial resolution of the reconstructed activity distribution can be reached. Two known tomographic methods reconstructing the activity distribution were investigated: an algebraic (iterative) and an analytical one (filtered back projection). Both methods give qualitatively similar results and both can reconstruct the activity distribution satisfactorily.

tm – Technisches Messen, Oldenbourg Wissenschaftsverlag

Print ISSN: 0171-8096
Volume: 70, 06/2003
Pages: 306

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