English Explanatory Dictionary

delayed neutron

English dictionary entry

Meanings

noun
  1. A neutron produced by nuclear fission which is emitted upon the radioactive decay of a fission product nucleus sometime later, rather than at the time of the fission itself. Less than 2% of fission neutrons are delayed neutrons (the exact proportion depends on the nuclide being fissioned).

Word forms

delayed neutron delayed neutrons
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