Table 3

Model parameters used for the study and their sensitivity coefficient for a 3.1%-enriched UOX fuel at 20 and 60GWd/t, and a 6.7% Pu amount MOX fuel at 40GWd/t.

Model parameters Sensitivity coefficients

3.1%-enriched UOX fuel 3.1%-enriched UOX fuel 6.7% Pu amount MOX fuel
20 GWd/t 60 GWd/t 40 GWd/t
Fitted
0.62 0.35 0.01
0.27 0.44 0.63
Marginalized
U − 235 (n, f) 0.01 0.01 0.00
U − 238 (n, γ) −0.01 −0.01 −0.01
PU − 239 (n, γ) −0.01 −0.02 −0.02
PU − 239 (n, f) −0.01 0.02 0.03
PU − 240 (n, γ) 0.00 0.00 −0.01
PU − 241 (n, γ) 0.00 0.00 0.00
PU − 241 (n, f) 0.00 0.00 0.01
0.02 0.10 0.23
τ(Cs − 137) −0.14 −0.17 −0.10
Burnup 1.0 1.5 1.0

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