Current Characteristics of Ionizing Radiation Fields of the IBR-2 Reactor’s Irradiation Facility for Researching Materials’ Radiation Resistance
Petrova M.O. Bulavin M.V. Rogov A.D. Yskakov A. Galushko A.V.
June 2022Pleiades journals
Instruments and Experimental Techniques
2022#65Issue 3371 - 375 pp.
Abstract: 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 × 106−8 × 1011 neutrons/(cm2), and the rates of γ-radiation dose were 3 × 10−4−12 Gy/s.
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Joint Institute for Nuclear Research, Moscow oblast, Dubna, 141980, Russian Federation
Gumilyov Eurasian National University, Almaty raion, Nur-Sultan, 010008, Kazakhstan
Joint Institute for Nuclear Research
Gumilyov Eurasian National University
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