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

Table 5

Energy breakdown of impact on the Doppler coefficient of Gd-bearing fuel.

Energy range [eV]	Gd2O3 concentration [wt%]
	0	0.2	2	5	10	20
3.93~5.04	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
5.04~6.48	−0.1%	−0.2%	−0.1%	−0.1%	−0.1%	0.0%
6.48~8.32	0.9%	1.1%	0.8%	0.7%	0.4%	0.2%
8.32~10.68	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
10.68~13.71	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
13.71~17.60	0.0%	0.0%	0.0%	0.0%	0.1%	0.1%
17.60~22.60	2.1%	2.7%	2.6%	2.2%	1.7%	1.0%
22.60~29.02	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
29.02~37.27	4.6%	6.1%	6.2%	5.6%	4.6%	3.1%
37.27~47.85	−0.2%	−0.2%	−0.2%	−0.2%	−0.2%	−0.1%
47.85~61.44	0.0%	0.0%	0.0%	0.0%	0.0%	0.0%
61.44~78.89	1.4%	1.8%	1.8%	1.6%	1.3%	0.8%
78.89~101.3	0.0%	−0.1%	0.0%	0.0%	0.0%	0.0%
101.3~130.1	0.7%	1.0%	0.9%	0.8%	0.7%	0.5%
All	9.4%	12.2%	12.0%	10.6%	8.5%	5.6%