Representativity studies of GEN-III large cores to ZPR experiments with respect to nuclear data - A first step towards transposition

Open Access

Table 9.

Uncertainty distribution of the k_eff (pcm) over the main contributors at zero power: nuclear data accounting for 95% of the total uncertainty.

UAM-UOX		UAM-MOX		UH1.4		UMZ

data	unc.	data	unc.	data	unc.	data	unc.
$σ_{c}^{U 235}$ $\sigma _c^{U235}$	281	$σ_{c}^{U 238}$ $\sigma _c^{U238}$	226	$σ_{c}^{U 235}$ $\sigma _c^{U235}$	333	$σ_{scat}^{^{1} H_H_{2} O}$ $\sigma _{scat}^{{}^1H\_H_2O}$	233

ν^U235	264	$σ_{c}^{U 235}$ $\sigma _c^{U235}$	198	ν^U235	267	$σ_{c}^{U 235}$ $\sigma _c^{U235}$	228

$σ_{c}^{U 238}$ $\sigma _c^{U238}$	240	ν^U235	195	$σ_{scat}^{^{1} H_H_{2} O}$ $\sigma _{scat}^{{}^1H\_H_2O}$	255	ν^U235	179

$σ_{f}^{U 235}$ $\sigma _f^{U235}$	172	$σ_{f}^{U 238}$ $\sigma _f^{U238}$	133	χ^U235	231	$σ_{c}^{U 238}$ $\sigma _c^{U238}$	175

$σ_{c}^{^{1} H_H_{2} O}$ $\sigma _c^{{}^1H\_H_2O}$	137	$σ_{f}^{U 235}$ $\sigma _f^{U235}$	129	$σ_{c}^{U 238}$ $\sigma _c^{U238}$	189	$σ_{f}^{U 238}$ $\sigma _f^{U238}$	145

$σ_{f}^{U 238}$ $\sigma _f^{U238}$	133	$σ_{c}^{^{1} H_H_{2} O}$ $\sigma _c^{{}^1H\_H_2O}$	121	$σ_{c}^{^{1} H_H_{2} O}$ $\sigma _c^{{}^1H\_H_2O}$	155	$σ_{c}^{^{1} H_H_{2} O}$ $\sigma _c^{{}^1H\_H_2O}$	130

χ^U235	110	χ^U235	101	$σ_{f}^{U 238}$ $\sigma _f^{U238}$	149	χ^U235	129

		$σ_{scat}^{^{1} H_H_{2} O}$ $\sigma _{scat}^{{}^1H\_H_2O}$	84	$σ_{f}^{U 235}$ $\sigma _f^{U235}$	137	$σ_{scat}^{U 238}$ $\sigma _{scat}^{U238}$	111

		$σ_{f}^{Pu 239}$ $\sigma _f^{Pu239}$	77			$σ_{c}^{Pu 239}$ $\sigma _c^{Pu239}$	100

		$σ_{c}^{Pu 239}$ $\sigma _c^{Pu239}$	74			$σ_{f}^{U 235}$ $\sigma _f^{U235}$	93

						$σ_{c}^{Pu 240}$ $\sigma _c^{Pu240}$	82

Total	544	Total	466	Total	648	Total	526

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