Fast neutron

Nuclear Energy

Neutron that has not been slowed to thermal energies.

Fast neutrons have energies of the same order as those emitted in fission. Fast reactors are designed so that fission is caused mainly by such neutrons.

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Articles

Reactor Using Fast Neutrons (FR)

A reactor using fast neutron (FR) burns a mixture of uranium and plutonium. Fast breeder reactors (FBR) produce more plutonium than they consume.

3 min read

Glossary

Thermal neutron

Neutron in thermal equilibrium with the moderator.