Refueling (IMAGE) Yale University Caption Refueling of the High Flux Isotope Reactor (HFIR) at ORNL. Antineutrinos are emitted from the decays of the fission products. Credit Genevieve Martin/ORNL Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.