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

Table 3

Uncertainty summary for exercise I-1 PB-2 cases.

Parameter	PB-2 HZP		PB-2 HFP
	C5MX/DP	C5MX/SS	C5MX/DP	C5MX/SS
Eigenvalue	1.3454 ± 0.55%	0.54%	1.2290 ± 0.66%	0.66%
U-235 abs.	60.5 b ± 0.99%	1.01%	40.7 b ± 1.22%	1.23%
U-235 fis.	49.7 b ± 1.01%	1.02%	32.8 b ± 1.23%	1.23%
U-238 abs.	0.915 b ± 1.08%	1.09%	0.852 b ± 1.07%	1.10%
U-238 fis.	0.0939 b ± 3.70%	3.76%	0.0882 b ± 4.51%	4.55%