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

Table 1

Comparison between V.S.O.P. built-in yields and ENDF/B-VII.1 in prediction (IFYs).

Index	Fission product	Fission yields
		V.S.O.P.	ENDF/B-VII.1	Relative difference to ENDF/B-VII.1 (%)	V.S.O.P.	ENDF/B-VII.1	Difference to ENDF/B-VII.1 (pcm)
1	Rh-103	1.8580E − 11	6.3796E − 13	96.57	1.01027	1.01027	0
2	Pd-105	9.8300E − 13	0.0000E + 00	100.00	1.01027	1.01027	0
3	Xe-131	1.5400E − 08	1.4199E − 09	90.78	1.01027	1.01027	0
4	Cs-133	5.0800E − 07	7.9194E − 09	98.44	1.01027	1.01027	0
5	Cs-134	3.5700E − 07	3.8547E − 08	89.20	1.01027	1.01027	0
6	Nd-143	9.5000E − 13	4.7997E − 14	94.95	1.01027	1.01027	0
7	Pm-148m	7.4900E − 09	8.0994E − 11	98.92	1.01027	1.01027	0
8	Pm-148g	5.7300E − 08	4.4497E − 11	99.92	1.01027	1.01027	0
9	Sm-147	0.0000E + 00	0.0000E + 00	0.00	1.01027	1.01027	0
10	Sm-148	6.9500E − 13	1.6399E − 14	97.64	1.01027	1.01027	0
11	Sm-149	0.0000E + 00	1.7099E − 12	—	1.01027	1.01027	0
12	Sm-151	0.0000E + 00	4.7497E − 09	—	1.01027	1.01027	0
13	Eu-154	1.6300E − 08	9.6993E − 10	94.05	1.01027	1.01027	0
14	Gd-155	4.4100E − 11	4.0797E − 12	90.75	1.01027	1.01027	0