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For over 60 years, research reactors (RR or RTR for research testing reactors) have been used as neutron sources for research, radioisotope production (99Mo/99mTc), nuclear medicine, materials characterization, etc… Currently, over 240 of these reactors are in operation in 56 countries. They are simpler than power reactors and operate at lower temperature (cooled to below 100°C). The fuel assemblies...