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:
ID Code:
52092
Deposited By:
Deposited On:
16 Dec 2011 10:37
Refereed?:
Yes
Published?:
Published
Last Modified:
28 Jul 2020 08:35