PSI Methodologies for Nuclear Data Uncertainty Propagation with CASMO-5M and MCNPX: Results for OECD/NEA UAM Benchmark Phase I

Table 9

Comparison of top 5 contributors for MCNPX/NUSS versus CASMO-5MX/DP for exercise I-1 PB-2 HZP.

Nuclide/reaction	MCNPX/NUSS	CASMO-5MX/DP
U-238/102	0.32%	0.37%
U-235/452	0.30%	0.27%
U-235/102	0.17%	0.20%
U-238/4	0.12%	0.12%
U-235/18	0.10%	0.12%
Total	0.54% (0.50% in top 5)	0.54% (0.53% in top 5)