SYNCHROPHASOTRON BEAMS FOR RADIOBIOLOGICAL EXPERIMENTS

The Institute for Biomedical Problems in collaboration with the Laboratory of High Energies, JINR, has been carrying out biological experiments to solve problems of the radiation safety during long-term manned space flights. For this purpose investigations of the influence of accelerated charged particles, which are similar to different components of the space radiation, are carried out with laboratory animals, and model biological experiments are going as well. It required to improve the Synchrophasotron beam transportation and diagnostic equipment for proper exposure of biological objects and dose measurements. The new system has allowed one to obtain the required experimental conditions and data on intensity, contamination and spatial characteristics of beams extracted from the accelerator. The results of the performed research have been used to estimate the space radiation hazard, as well as for drawing up the State Normative Documents (GOST) for radiation safety of the manned space flights.