Meaning of prompt critical | Babel Free

Definitions

In a state where the prompt neutrons produced by a nuclear fission chain reaction are just sufficient to sustain the chain reaction on their own (past which changes in reaction power occur on a timeframe of milliseconds, too rapidly for a human operator to control).

not-comparable

Examples

“The number of fissions in the two prompt critical excursions was estimated from (1) the doses received by the operator and shift supervisor and (2) the measured exposure rate from fission product gamma–rays (1.5 mR/s at 3 m from the vessel, 1 hour after the last excursion).”

CEFR level