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

Table 4

Uncertainty summary for exercise I-1 TMI-1 and Gen-III MOX cases.

Parameter	TMI-1 HZP	TMI-1 HFP	Gen-III MOX
Eigenvalue	1.4293 ± 0.50%	1.4099 ± 0.51%	1.1076 ± 0.95%
U-235 abs.	43.6 b ± 1.05%	42.4 b ± 1.06%	15.2 b ± 1.37%
U-235 fis.	35.3 b ± 1.05%	34.3 b ± 1.07%	11.0 b ± 1.19%
U-238 abs.	0.911 b ± 1.10%	0.934 b ± 1.11%	0.893 b ± 1.14%
U-238 fis.	0.101 b ± 3.59%	0.101 b ± 3.62%	0.118 b ± 3.69%
Pu-239 abs.			27.3 b ± 1.23%
Pu-239 fis.			17.6 b ± 1.30%
Pu-240 abs.			21.7 b ± 1.33%
Pu-240 fis.			0.639 b ± 2.10%
Pu-241 abs.			31.6 b ± 1.28%
Pu-241 fis.			23.7 b ± 1.30%
Pu-242 abs.			11.9 b ± 5.03%
Pu-242 fis.			0.492 b ± 4.85%
Am-241 abs.			32.8 b ± 4.41%
Am-241 fis.			0.753 b ± 2.62%