fission neutrons

https://doi.org/10.1351/goldbook.F02398
Neutrons originating in the fission process which have retained their original energy.
Source:
PAC, 1982, 54, 1533. 'Glossary of terms used in nuclear analytical chemistry (Provisional)' on page 1546 (https://doi.org/10.1351/pac198254081533)