EPJ Nuclear Sci. Technol.
Volume 2, 2016
|Number of page(s)||13|
|Published online||24 November 2016|
Resonance parameter and covariance evaluation for 16O up to 6 MeV
Institut de Radioprotection et de Sûreté Nucléaire (IRSN), PSN-EXP/SNC,
2 CEA, DEN, DER Cadarache, 13108 Saint Paul les Durance, France
3 European Commission, Joint Research Centre, Institute for Reference Materials and Measurements, Retieseweg 111, 2440 Geel, Belgium
⁎ e-mail: firstname.lastname@example.org
Received in final form: 5 September 2016
Accepted: 11 October 2016
Published online: 24 November 2016
A resolved resonance evaluation was performed for 16O in the energy range 0 eV to 6 MeV using the computer code SAMMY resulting in a set of resonance parameters (RPs) that describes well the experimental data used in the evaluation. A RP covariance matrix (RPC) was also generated. The RP were converted to the evaluated nuclear data file format using the R-Matrix Limited format and the compact format was used to represent the RPC. In contrast to the customary use of RP, which are frequently intended for the generation of total, capture, and scattering cross sections only, the present RP evaluation permits the computation of angle dependent cross sections. Furthermore, the RPs are capable of representing the (n, α) cross section from the energy threshold (2.354 MeV) of the (n, α) reaction to 6 MeV. The intent of this paper is to describe the procedures used in the evaluation of the RP and RPC, the use of the RPC in benchmark calculations and to assess the impact of the 16O nuclear data uncertainties in the calculate dkeff for critical benchmark experiments.
© L. Leal et al., published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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