| set of fission reactions in which the neutrons necessary to produce a fission are themselves produced by a previous fission
Note 1 to entry: The reactions are called sub-critical, critical or supercritical depending on the ratio between the number of reactions of generation n+1 and generation n being less than, equal to or bigger than unity, respectively. Note 2 to entry: This entry was numbered 393-12-84 in IEC 60050-393:2003.
|