Abstract
Fast neutron reactors, as a possible future solution on energy demand of human society, based on fission process of 238U, request new and reliable nuclear data necessary for new generation reactors design. Fission process induced by fast neutrons on 238U was investigated. Fission observables like cross sections and their uncertainties, fission fragment mass distribution, prompt neutrons emission, isomer ratios and other parameters were obtained by using Talys computer code or programs realized by authors. Then the production of isotopes like 135,133Xe, 99Mo, 131I, 89Y as well as yields of fissile nuclei were evaluated. Obtained theoretical evaluations are compared with existing experimental data.
Highlights
Forecast for world energy demand predicts an increasing with about order of magnitude for the year 2100 in comparison with 2015
In this paper fission of 8U nucleus induced by fast neutrons starting from 7 up to 25 MeV was detailed investigated
Results for fast neutron induced fission of 8U were obtained by varying a large number of Talys input data like parameters of Wood-Saxon potential and spin-orbit potential, both with real and imaginary part
Summary
Forecast for world energy demand predicts an increasing with about order of magnitude for the year 2100 in comparison with 2015. Fragment mass distributions, yields of some nuclides of interest, average prompt neutrons multiplicity, prompt neutrons multiplicity distributions and isomer ratios were obtained with the extensively - used reaction code Talys [5], version 1.9. Isotopes relative yields and production cross sections, average prompt neutrons multiplicity and prompt neutrons distributions were modeled by Brosa model [5,8].
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