Open Access
ND 2007
Article Number 225
Number of page(s) 4
Section Benchmarking for fission applications
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07577

The sensitivity of MONK calculations to nuclear data parameters

Simon Connolly1, Christopher Dean2 and Ray Perry2

1  British Nuclear Group Sellafield Ltd, Sellafield, Seascale, Cumbria, CA20 1PG, UK
2  Serco Assurance, Winfrith Technology Centre, Winfrith, Dorchester, Dorset, DT2 8DH, UK

Published online: 21 May 2008

This paper examines the sensitivity of the MONK criticality code to a variety of nuclear data parameters. The number of equiprobable bins for both secondary energies and secondary angles are varied; the effect of varying the background cross section employed by the sub-group representation in the unresolved region is examined; and variations in cross section resonance reconstruction tolerances are considered. To validate these options we use integral data including results from the GODIVA, JEZEBEL and ZEBRA-8H experiments. The results from this study will be used to optimise data used in the MONK criticality code.

© CEA 2008

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