Characteristics of Neutron Fields in Concrete from a Photon Source with an Energy of 30 MeV
https://doi.org/10.1134/S2304487X20010022
Abstract
Information on the passage of photon radiation from photon sources in the energy range from 6 to 24 MeV in various protective materials with thicknesses in the range from 15 to 80 cm is reported in [7–10]. The use of electron accelerators in industry and medicine with the primary electron beam energy higher than these energies requires data on the characteristics of the attenuation of bremsstrahlung photons for energy higher than these energies and thickness larger than these thicknesses. Concrete, iron, and lead are used as protective materials against the bremsstrahlung of electron accelerators. In this work the energy distributions of photon flux densities and effective doses in planes of concrete protections, as well as similar characteristics of the fields of neutron and secondary photon radiation, have been calculated. The calculations have been performed for two types of sources: a flat unidirectional monoenergetic photon source with an energy of 30 MeV and a bremsstrahlung source with a maximum energy of 30 MeV.
About the Authors
I. K. Alhagaish
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
115409
Moscow
V. K. Sakharov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
115409
Moscow
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Review
For citations:
Alhagaish I.K., Sakharov V.K. Characteristics of Neutron Fields in Concrete from a Photon Source with an Energy of 30 MeV. Vestnik natsional'nogo issledovatel'skogo yadernogo universiteta "MIFI". 2020;9(1):3-10. (In Russ.) https://doi.org/10.1134/S2304487X20010022
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