Science and Technology of Nuclear Installations / 2016 / Article / Tab 4

Research Article

Study on the Impact of Thermal Agitation on Doppler Coefficient in Epithermal Range for Gd-Bearing Fuel

Table 4

Nuclide and reaction breakdown of impact on the Doppler coefficient of Gd-bearing fuel.

Nuclide reactionGd2O3 concentration [wt%]
00.2251020

U-238 capture9.4%12.2%12.0%10.6%8.4%5.4%
U-235 capture0.0%0.0%0.0%0.0%0.0%0.0%
Gd-155 capture0.0%0.0%0.0%0.0%0.0%
Gd-156 capture0.0%0.0%0.0%0.0%0.1%
Gd-157 capture0.0%0.0%0.0%0.1%0.1%
Gd-158 capture0.0%0.0%0.0%0.0%0.0%

All9.4%12.2%12.0%10.6%8.5%5.6%