Research Article
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% |
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