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Delayed criticality
Meaning
Noun
●
In Nuclear physics:
The point at which the
prompt neutrons
and
delayed neutrons
produced
by a
nuclear fission
chain reaction
,
taken
together, are just
sufficient
to
sustain
the
chain reaction
(the
state of being
delayed critical
); in this state, changes in
reaction
power
occur
slowly
,
allowing
the
reaction
to be
controlled
on human
timescales
, due to the
relatively
long
time delay
associated with the
emission
of the
delayed neutrons
necessary
to
maintain
the
chain reaction
.
Sourced from
Wiktionary
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