Mathematical Simulation of the INR RAS SVZ-100 Neutron
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A mathematical model of the SVZ-100 lead slowing-down neutron spectrometer designed at the Institute for Nuclear Research, Russian Academy of Sciences (Moscow) is presented. The neutron spectra in the SVZ-100 measuring channels are calculated by the Monte Carlo method at different slowing-down times. The influence of the energy resolution of the spectrometer on the shape of the neutron cross sections is demonstrated. The developed model makes it possible to establish agreement between experimental data obtained using neutron spectrometers by different methods and with different resolutions and compare the results of measuring the neutron cross sections of thorium and transuranic elements using the SVZ-100 with recommended international databases.
Кључне речи:mathematical model of the SVZ-100 lead slowing-down neutron spectrometer / Monte Carlo method / measurement of the neutron cross sections for a series of heavy elements / technique of reconstructing cross sections / influence of the energy resolution on the shape of neutron cross sections
Извор:Journal of Surface Investigation, 2015, 9, 6, 1126-1129
ISSN: 1027-4510 (print); 1819-7094 (electronic)