Lognormal-Based Sampling for Fission Product Yields Uncertainty Propagation in Pebble-Bed HTGR

<div>Relative uncertainties of prior and posterior independent yields in ENDF/B-VII.1 of fission products. These fission products are grouped with their corresponding mass number and the first mass numbers are labelled in this figure [<a href="/journals/stni/2020/8014521/#B30">30</a>]. The increased relative uncertainty fission products are Ag130m0, Cd129m0, Sn127m1, Cd126m0, In126m0, Sb124m1, Zn123m1, Ag115m0, Y93m1, Y93m0, Se85m1, and Ge77m0.</div>

Science and Technology of Nuclear Installations

fig9

Figure 9

Figure 9: Lognormal-Based Sampling for Fission Product Yields Uncertainty Propagation in Pebble-Bed HTGR 