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

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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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Funding

This work was written with the support of Ministry of Education and Science of the Russian Federation, no. 075-15-2021-1352.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, 141980, Dubna, Moscow oblast, Russia

    M. O. Petrova, M. V. Bulavin, A. D. Rogov, A. Yskakov & A. V. Galushko

  2. Gumilyov Eurasian National University, 010008, Nur-Sultan, Almaty raion, Kazakhstan

    A. Yskakov

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  1. M. O. Petrova
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  2. M. V. Bulavin
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  3. A. D. Rogov
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  4. A. Yskakov
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  5. A. V. Galushko
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Correspondence to M. O. Petrova.

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Petrova, M.O., Bulavin, M.V., Rogov, A.D. et al. Current Characteristics of Ionizing Radiation Fields of the IBR-2 Reactor’s Irradiation Facility for Researching Materials’ Radiation Resistance. Instrum Exp Tech 65, 371–375 (2022). https://doi.org/10.1134/S0020441222030046

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  • DOI: https://doi.org/10.1134/S0020441222030046

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