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Current Characteristics of Ionizing Radiation Fields of the IBR-2 Reactor’s Irradiation Facility for Researching Materials’ Radiation Resistance

The current characteristics of the ionizing radiation fields of an irradiation facility intended for studying the radiation resistance of materials on channel no. 3 of the IBR-2 reactor are presented. Flux densities of fast neutrons for the power of 1.55 MW of the IBR-2 reactor are refined. For the...

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Published in:Instruments and experimental techniques (New York) 2022, Vol.65 (3), p.371-375
Main Authors: Petrova, M. O., Bulavin, M. V., Rogov, A. D., Yskakov, A., Galushko, A. V.
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description The current characteristics of the ionizing radiation fields of an irradiation facility intended for studying the radiation resistance of materials on channel no. 3 of the IBR-2 reactor are presented. Flux densities of fast neutrons for the power of 1.55 MW of the IBR-2 reactor are refined. For the first time, the values of absorbed γ-radiation doses have been experimentally obtained. Values exceeding the range of absorbed doses measured by the dosimeters near the IBR-2 water moderator were calculated by the Monte Carlo method. Devices and methods for quantifying characteristics are described. The range of fast neutron densities along the irradiation facility was 3 × 10 6 −8 × 10 11 neutrons/(cm 2 ), and the rates of  γ-radiation dose were 3 × 10 −4 −12 Gy/s.
doi_str_mv 10.1134/S0020441222030046
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subjects Electrical Engineering
Fast neutrons
Ionizing radiation
Measurement Science and Instrumentation
Monte Carlo simulation
Neutrons
Nuclear Experiment Technique
Physical Chemistry
Physics
Physics and Astronomy
Radiation dosage
Radiation tolerance
title Current Characteristics of Ionizing Radiation Fields of the IBR-2 Reactor’s Irradiation Facility for Researching Materials’ Radiation Resistance
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