Generation of the 1H in H2O neutron thermal scattering law covariance matrix of the CAB model

Special Issue on 4th International Workshop on Nuclear Data Covariances, October 2–6, 2017, Aix en Provence, France – CW2017

Open Access

Table 6

Example of uncertainties on the reactivity (UOX configuration at room temperature) in pcm due to the nuclear data. The contribution of ¹H in H₂O comes from the present work. The other contributions were calculated with the covariance data base COMAC [32] developed at the CEA of Cadarache.

Isotopes	(n,f)	Capture	(n,n)	(n,n′)	(n,xn)				Total
¹H in H₂O		150	71						166
¹⁰B		26							26
¹⁶O		97	14	2					98
⁹⁰Zr		11	72	4					72
⁹¹Zr		27	30	2					40
⁹²Zr		27	20	2					33
⁹⁴Zr		2	8	2					8
⁹⁶Zr		2	6						6
²³⁴U	1	6	2						6
²³⁵U	104	174	13			276		142	371
²³⁶U		1							1
²³⁸U	29	165	83	38	18	32	9		195
Total	108	303	137	39	18	277	9	142	470

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