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Interactive Graphics Interpretation of Calculation-Measurement Discrepancies for Neutron Spectrum Measurements in Sodium

Ansar Parvez, Martin Becker

Nuclear Science and Engineering

Volume 67 / Number 1 / July 1978 / Pages 130-136


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Interactive graphic techniques have been employed to analyze and interpret the discrepancies found between the integral measurement and the prediction of neutron flux in sodium. Direct adjustments have been made to improve the calculation-experiment agreement in the 10-keV to 1-MeV energy range. In general, the adjusted values for elastic cross sections have been found to be lower than the ENDF/B-IV values. Sensitivity of sodium spectra to the angular distribution of elastically scattered neutrons has also been determined.

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