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Calculated results are presented of the uncertainties in the neutron scalar flux, the energy deposition per unit volume, and the displacements per atom in the toroidal field coil of a tokamak experimental power reactor due to neutron cross-section errors in iron and carbon which are major constituents of the blanket-shield-coil configuration considered. The calculations were carried out using perturbation theory to obtain sensitivity profiles for the various cross sections of interest, and these profiles were then combined with cross- section error estimates, including correlations, to obtain the uncertainties. Each of the three responses--the neutron scalar flux, the energy deposition per unit volume, and the displacements per atom--is found to be very sensitive to the cross sections in the energy group which contains the source (approximately 14 MeV since a D-T source is assumed), and each of the responses is found to have a relative standard deviation of approximately 100 percent due to neutron cross- section errors in iron

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Uncertainties in calculated heating and radiation damage in the toroidal field coil of a tokamak experimental power reactor due to neutron cross-section errors