Daichenkova Yu.S., Nikulin M.Yu., Oleinik D.S., Sergeev G.S.
National Research Center “Kurchatov Institute”, Moscow, Russia
Using the precision MCU code that implements the Monte Carlo method, the computational benchmark experiments developed by the European Group on Radiation Dosimetry based on two voxel phantoms of the opposite gender presented by the International Commission on Radiation Protection were simulated. The usage of the universal geometric module NCG, implemented in MCU, made it possible to define anthropomorphic phantoms with a high level detalization of internal organs structure, without any simplifications.
Four calculated benchmarks were considered in the scope of the work. In the first and third benchmarks, point (60Co) and surface (241Am) sources of gamma radiation were modeled, in the second, a point monoenergetic neutron source (Е = 10 keV), in the fourth, a volume source of beta radiation (16N).Good agreement between the results of calculations of equivalent and effective doses with the results obtained using the MCNPX2.6 and TRIPOLI-4 programs, as well as the consideration of sources of various types of radiation and configurations, led to the conclusion that it is possible to effectively use the considered method for modeling the radiation transport through human tissues based on the voxel-phantom technology using the MCU code for a wide range of topical tasks related to dosimetric studies and justification of radiation safety.
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