Open Access
Table B.8
Comparison of uncertainties (in %) from nuclear data FY and XS between the assembly (2D) and full core (3D) models. Uncertainties are given in % (1σ). The term FY corresponds to fission yields, and XS to the rest of nuclear data. Values are provided at the time of measurement.
| FY | XS | FY | XS | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Assembly | core | Assembly | core | Assembly | core | Assembly | core | ||
| 234U | 0.3 | 0.1 | 1.9 | 2.6 | 235U | 0.1 | 0.2 | 0.7 | 0.9 |
| 236U | 0.1 | 0.1 | 0.9 | 0.9 | 238U | 0.0 | 0.0 | 0.0 | 0.0 |
| 237Np | 0.1 | 0.1 | 5.9 | 5.8 | 238Pu | 0.1 | 0.1 | 3.1 | 2.8 |
| 239Pu | 0.2 | 0.2 | 1.7 | 1.7 | 240Pu | 0.1 | 0.1 | 2.1 | 2.8 |
| 241Pu | 0.2 | 0.1 | 1.7 | 1.4 | 242Pu | 0.1 | 0.1 | 3.8 | 3.7 |
| 241Am | 0.1 | 0.1 | 1.9 | 1.8 | 242mAm | 0.2 | 0.2 | 1.9 | 1.8 |
| 243Am | 0.7 | 0.1 | 6.2 | 5.9 | 244Cm | 0.2 | 0.3 | 6.8 | 6.4 |
| 245Cm | 0.4 | 0.3 | 12 | 12 | 246Cm | 0.2 | 0.4 | 23 | 21 |
| 90Sr | 1.0 | 1.1 | 0.1 | 1.0 | 99Tc | 2.3 | 2.3 | 0.4 | 1.8 |
| 106Ru | 1.4 | 1.1 | 0.1 | 1.5 | 125Sb | 22 | 25 | 0.4 | 1.3 |
| 144Ce | 0.5 | 0.6 | 0.1 | 1.1 | 134Cs | 33 | 33 | 5.2 | 4.8 |
| 135Cs | 12 | 13 | 0.7 | 1.2 | 137Cs | 6.8 | 6.8 | 0.1 | 1.1 |
| 148Nd | 0.5 | 0.5 | 0.1 | 1.1 | 147Sm | 1.7 | 1.5 | 1.9 | 1.9 |
| 151Sm | 2.2 | 1.9 | 2.3 | 2.2 | 154Eu | 1.5 | 1.5 | 3.4 | 3.5 |
| 155Eu | 1.6 | 1.5 | 27 | 29 | |||||
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