Thermal constants (values at 0.0253 eV neutron energy) obtained in the combined fit of the standard cross sections. GA-U3 - g-factor for the absorption cross section (capture + fission) in 233U GF-U3 - g-factor for the fission cross section of 233U SS-U3 - elastic scattering cross section of 233U SF-U3 - fission cross section of 233U SG-U3 - capture cross section of 233U NU-U3 - total fission neutron yield of 233U GA-U5 - g-factor for the absorption cross section (capture + fission) of 235U GF-U5 - g-factor for the fission cross section of 235U SS-U5 - elastic scattering cross section of 235U SF-U5 - fission cross section of 235U SG-U5 - capture cross section of 235U NU-U5 - total fission neutron yield of 235U GA-PU9 - g-factor for the absorption cross section (capture + fission) of 239Pu GF-PU9 - g-factor for the fission cross section of 239Pu SS-PU9 - elastic scattering cross section of 239Pu SF-PU9 - fission cross section of 239Pu SG-PU9 - capture cross section of 239Pu NU-PU9 - total fission neutron yield of 239Pu GA-PU1 - g-factor for the absorption cross section (capture + fission) of 241Pu GF-PU1 - g-factor for the fission cross section of 241Pu SS-PU1 - elastic scattering cross section of 241Pu SF-PU1 - fission cross section of 241Pu SG-PU1 - capture cross section of 241Pu NU-PU1 - total fission neutron yield of 241Pu NU-CF2 - total fission neutron yield of 252Cf N Constant Value Abs. uncert. Uncertainty (b or non-dim) (b or non-dim) % 1 GA-U3 0.99959040 0.00109853 1.0990e-1 2 GF-U3 0.99563257 0.00139265 1.3988e-1 3 SS-U3 12.11306488 0.66352437 5.4778e+0 4 SF-U3 531.22319322 1.31200400 2.4698e-1 5 SG-U3 45.55832754 0.68181664 1.4966e+0 6 NU-U3 2.49679554 0.00353619 1.4163e-1 7 GA-U5 0.97880857 0.00077706 7.9388e-2 8 GF-U5 0.97729063 0.00077691 7.9496e-2 9 SS-U5 14.08652663 0.21945180 1.5579e+0 10 SF-U5 584.32585508 1.02160254 1.7483e-1 11 SG-U5 99.40053751 0.71906848 7.2341e-1 12 NU-U5 2.43554883 0.00227369 9.3354e-2 13 GA-PU9 1.07802409 0.00236680 2.1955e-1 14 GF-PU9 1.05543531 0.00217050 2.0565e-1 15 SS-PU9 7.79996964 0.95919044 1.2297e+1 16 SF-PU9 750.00158246 1.82595719 2.4346e-1 17 SG-PU9 271.50268748 2.14067598 7.8845e-1 18 NU-PU9 2.88363849 0.00466063 1.6162e-1 19 GA-PU1 1.04400507 0.00198360 1.9000e-1 20 GF-PU1 1.04541839 0.00553917 5.2985e-1 21 SS-PU1 12.13139838 2.60861359 2.1503e+1 22 SF-PU1 1013.96088030 6.55979470 6.4695e-1 23 SG-PU1 361.79477973 4.95170635 1.3687e+0 24 NU-PU1 2.94790194 0.00540978 1.8351e-1 25 NU-CF2 3.76921075 0.00469976 1.2469e-1 The correlation matrix of uncertainty for the thermal constants Row num. Column number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 1 1 2 .42 1 3 .06 .05 1 4 -.06 -.49 -.23 1 5 -.29 .56 -.06 -.32 1 6 -.08 .08 .04 -.26 .22 1 7 .-2 -.01 -.01 .07 -.03 -.01 1 8 .00 .03 -.02 .04 .04 .00 .19 1 9 .00 -.01 .01 -.02 .00 .00 .02 -.01 1 10 .06 .02 -.06 .25 -.02 -.02 .14 -.29 -.09 1 11 -.02 .05 -.01 -.01 .06 -.02 -.49 .48 -.06 -.16 1 12 -.02 .03 .01 -.06 .05 .41 -.06 .02 .01 -.13 .10 1 13 .02 -.02 -.01 .04 -.03 -.01 .04 .00 -.01 .05 .00 -.02 1 14 .01 .03 -.02 .06 .03 -.01 .00 .08 .00 -.01 .05 .02 .26 1 15 .00 .00 .00 -.01 -.01 .00 -.01 -.06 .00 -.02 .00 .00 .03 .01 1 16 .04 .00 -.04 .17 -.03 -.03 .08 .00 -.04 .41 -.04 -.06 -.05 -.35 -.06 1 17 -.02 .06 -.01 -.02 .10 .03 -.02 .06 -.01 .03 .10 .04 -.33 .17 -.08 .03 1 18 -.02 .02 .01 -.07 .05 .39 -.01 .02 .00 -.04 .01 .39 -.05 -.02 -.01 .13 .26 1 19 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 .00 1 20 .00 .01 -.01 .01 .02 .00 .00 .02 .00 .02 .02 .01 .01 .06 .00 .04 .02 .00 .04 1 21 .00 .00 .00 .00 .00 .00 .00 .00 .00 -.01 .00 .00 .00 -.01 .00 .01 .01 .00 .00 .04 1 22 .02 -.01 -.01 .06 -.02 -.01 .03 -.02 -.01 .12 -.02 -.02 .04 .10 -.02 .20 .02 .05 .02 .63 .07 1 23 -.02 .05 -.01 -.02 .08 .02 -.02 .03 .00 .00 .07 .03 -.02 .05 -.01 .02 .13 .08 .02 .11 .06 .23 1 24 -.02 .02 .01 -.07 .05 .35 -.01 .01 .00 -.04 .01 .34 -.03 -.01 .00 .07 .10 .48 .00 .03 .01 .08 .29 1 25 -.01 .01 .01 -.04 .03 .23 -.01 .00 .00 -.02 .00 .23 -.01 -.01 .00 .03 .04 .29 .00 .00 .00 .02 .04 .27 1