Energy Encyclopedia

C

Cross-section

Nuclear Energy

Probability measure for a nuclear reaction.

A nuclear cross-section quantifies how likely a given reaction is when a particle encounters a nucleus, with units of area.

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Articles

Fission Chain Reaction

When a neutron splits the 235U nucleus, 2-3 neutrons are released. The fission chain reaction occurs when they split other nuclei, releasing more neutrons.

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Glossary

N

Neutron

Uncharged nucleon.