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 October 2014, 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 247 are operational, 143 are shutdown, 338 have been decommissioned, 12 are planned and 6 under construction
Research reactors in operation, IAEAInternational Atomic Energy Agency, Vienna., October 2014
Age distribution of research reactors, IAEAInternational Atomic Energy Agency, Vienna., October 2014