An analytical approach to gamma-ray self-shielding effects for radioactive bodies encountered nuclear decommissioning scenarios

Akurugoda Gamage, Kelum and Joyce, Malcolm (2011) An analytical approach to gamma-ray self-shielding effects for radioactive bodies encountered nuclear decommissioning scenarios. Applied Radiation and Isotopes, 69 (10). pp. 1521-1532. ISSN 0969-8043

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Abstract

A novel analytical approach is described that accounts for self-shielding of γ () radiation in decommissioning scenarios. The approach is developed with plutonium-239, cobalt-60 and caesium-137 as examples; stainless steel and concrete have been chosen as the media for cobalt-60 and caesium-137, respectively. The analytical methods have been compared MCNPX 2.6.0 simulations. A simple, linear correction factor relates the analytical results and the simulated estimates. This has the potential to greatly simplify the estimation of self-shielding effects in decommissioning activities.

Item Type: Journal Article
Journal or Publication Title: Applied Radiation and Isotopes
Uncontrolled Keywords: /dk/atira/pure/subjectarea/asjc/3100/3108
Subjects:
Departments: Faculty of Science and Technology > Engineering
ID Code: 52092
Deposited By: ep_importer_pure
Deposited On: 16 Dec 2011 10:37
Refereed?: Yes
Published?: Published
Last Modified: 19 Feb 2020 08:06
URI: https://eprints.lancs.ac.uk/id/eprint/52092

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