Criticality Event

An uncontrolled nuclear chain reaction with the potential for causing a nuclear explosion
References in periodicals archive ?
The criticality event tends to scatter the fissile material and fission products in the area of the accident, and the dispersal of the fissile material normally prevents a prolonged chain reaction.
The report said an extensive investigation into all circumstances regarding the accident will be necessary, covering the criticality event itself and the JCO facility, including safety-related design aspects, managerial provisions and operational matters.
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