Title: Resonance parameter and covariance evaluation for 16O up to 6 MeV
Authors: LEAL LuizIVANOV E.NOGUERE G.PLOMPEN ArjanKOPECKY Stefan
Publisher: EDP Sciences
Publication Year: 2016
JRC N°: JRC104130
URI: http://epj-n.org/10.1051/epjn/2016036
http://publications.jrc.ec.europa.eu/repository/handle/JRC104130
DOI: 10.1051/epjn/2016036
Type: Articles in periodicals and books
Abstract: 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, alpha) cross section from the energy threshold (2.354 MeV) of the (n, alpha) 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 dkcff for critical benchmark experiments.
JRC Directorate:Nuclear Safety and Security

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