In work the contribution of the heavy charged particles, formed as a result of photonuclear reactions, to the absorbed and equivalent dose created by bremsstrahlung in biological matter is investigated. The technique of an estimation of average qiality factor (QF) photoprotons is developed. The mathematical model is developed, allowing to estimate in terms of quality factor, biological action of the mixed radiation induced by bremsstrahlung. The developed model can be easily extended to other types of primary radiation.
Department of accelerators physics and radiation medicine, Faculty of Physics, M.V. Lomonosov Moscow State University. Moscow 119991, Russia
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