Perturbation Theory-Based Whole-Core Eigenvalue Sensitivity and Uncertainty (SU) Analysis via a 2D/1D Transport Code

Table 1

The nuclear cross sections used in infinite-medium problem.

Group	σa (cm^−1)	σf (cm^−1)	ν	χ	⟶1 (cm^−1)	⟶2 (cm^−1)	⟶3 (cm^−1)
1	1.7273	0.0	0	0.6250	1.1	1.0	0.0
2	1.0	0.0	0	0.2500	0.0	1.1	2.0
3	0.5	1.5	3	0.1250	0.0	0.0	2.1