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

Table 9

The energy and region integrated sensitivity coefficients of some important reactions.

Reaction type	Sensitivity coefficient	Reaction type	Sensitivity coefficient
^235U σγ	−9.961E − 02	^238U σγ	−2.747E − 01
^235U	9.183E − 01	^238U	8.163E − 02
^235U σf	3.708E − 01	^238U σf	5.114E − 02
^235U σs	−2.403E − 04	^238U σs	−7.151E − 03
^235U χ	4.971E − 03	^238U χ	4.320E − 04
^1H σγ	−4.176E − 02	^16O σγ	−4.323E − 03
^1H σs	1.425E − 01	^16O σs	−6.842E − 04