Web of Conferences
Open Access
Issue ND 2007
2007
Article Number 249
Number of page(s) 4
Section Shielding and dosimetry
DOI http://dx.doi.org/10.1051/ndata:07492
Published online 17 June 2008

International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07492

Application of IRDF2002 dosimetry data to shielding benchmarks using the Monte Carlo code MCBEND

G.A. Wright and C.J. Dean

Serco Assurance, Winfrith Technology Centre, Dorchester DT2 8DH, UK

christopher.dean@sercoassurance.com

Published online: 21 May 2008

Abstract
The IRDF2002 dosimetry cross section data are processed into very fine energy groups and added to the detector response library for the Monte Carlo code MCBEND. The IRDF2002 covariances are processed into broad groups to form a MCBEND detector covariance library. A number of benchmark experiments are analysed using MCBEND with both IRDF2002 and IRDF90 data and the results compared. Uncertainties due to material and detector cross sections are calculated automatically. The results demonstrate that the IRDF2002 115In(n,n')115mIn dosimetry cross sections give improved agreement between calculation and measurement in an iron benchmark and that use of IRDF2002 data allows straightforward, explicit and accurate calculation of single resonance detector reaction-rates, e.g., 197Au(n,γ)198Au.



© CEA 2008