Nuclear Data Uncertainty Quantification and Propagation for Safety Analysis of Lead-Cooled Fast Reactors

Table 4

Steady state neutronic reactivity feedback coefficients.

	Δρ doppler	Δρ fuel	Δρ coolant	Δρ structure	Δρ radial expansion
Coefficient (pcm/K)	−0.9240	−2.1450	−0.1720	+0.155	−0.8314
Δρ (pcm)	−713.51	−1423.98	−70.51	116.53	−851.31
Total uncertainty (%)	0.0102	0.1488	0.8398	0.0404	0.0637