Use of Nuclear Data Sensitivity and Uncertainty Analysis for the Design Preparation of the HCLL Breeder Blanket Mockup Experiment for ITER

Table 5

Sensitivity of the TPR to cross-sections for two detector positions. Both natural and 90% enriched Li were considered (SUSD3D results based on the DORT 2D neutron fluxes).

(a)

^6+7Li(n,t) Li-natural D2 (~7 cm)	Sensitivity (%/%)
Reaction	^206Pb	^207Pb	^208Pb	^6Li	^7Li
Total	0.02	0.02	0.01	0.31	0.69
Elastic	0.04	0.04	0.09	1E−3	0.01
Inelastic	0.01	0.01	−0.003	−3E−4	−1E−3
(n,2n)	−0.03	−0.03	−0.08
(n,3n)	2⋅10^−5	1⋅10^−5	2⋅10^−4
(n,t)				0.31	0.68
Uncertainty	0.9%	0.8%	3.0%	0.9%	0.1%

(b)

^6+7Li(n,t) Li-90% enr. D2 (~7 cm)	Sensitivity (%/%)
Reaction	^206Pb	^207Pb	^208Pb	^6Li	^7Li
Total	0.29	0.25	0.50	0.97	0.06
Elastic	0.13	0.13	0.28	3⋅10^−3	0.04
Inelastic	0.07	0.05	0.03	7⋅10^−5	0.01
(n,2n)	0.10	0.08	0.19
(n,3n)	1⋅10^−4	6⋅10^−5	1⋅10^−3
(n,t)				0.97	0.02
Uncertainty	2.0%	1.8%	9.7%	0.3%	0.1%

(c)

^6Li(n,t) D7(∼7cm)	Sensitivity (%/%)
Reaction	^206Pb	^207Pb	^208Pb	^6Li	^7Li
Total	0.31	0.27	0.48	0.96	0.07
Elastic	0.17	0.17	0.37	0.004	0.06
Inelastic	0.09	0.07	0.01	−3⋅10^−4
(n,2n)	0.05	0.04	0.10
(n,3n)	7⋅10^−5	4⋅10^−5	6⋅10^−4
(n,t)				0.96	0.01
(n,𝛾)	−0.004	−0.003	−0.001
Uncertainty	1.9%	1.8%	6.5%	0.2%	0.1%