A nuclear reactorSee 'reactor'. designed mainly for generation of high neutronUncharged elementary particle with a mass of 1.67492716 ·10... intensities for research purposes. May also be used for training, material testing and generation of radionuclides. As of August 2020, the International Atomic Agency’s Research ReactorSystem used to initiate, maintain and control a fission chai... Database
nucleus.iaea.org/RRDB/RR/ReactorSearch.aspx?filter=0 contains information on research reactors, of which 220 are operational, 59 are in permanent shutdown, 66 under decommissioning, 444 have been decommissioned, 13 are planned and 11 under construction
Research reactors in operation, IAEAInternational Atomic Energy Agency, Vienna., August 2020
Age distribution of research reactors, IAEAInternational Atomic Energy Agency, Vienna., August 2020