International Evaluation Co-operation, Volume 9

Fission Neutron Spectra of Uranium-235

ISBN : 92-64-02134-5
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This report has been prepared by Subgroup 9 which was set up in 1998 with the aim of investigating discrepancies found between microscopic and macroscopic data for the uranium-235 fission neutron spectrum. In addition, it was noted that the most recent evaluation of this spectrum had been performed in 1988 and had been based on only one experiment. It was thus felt necessary to review the existing evaluations, taking into account new experimental data and improved calculations methods.