Neutron absorption

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Neutron absorption is the process in nuclear physics whereby a neutron is absorbed by the nucleus of an atom.

[edit] Absorption reactions

The neutron absorption reaction can take place as any one of the following reactions...

[edit] Absorption cross section

The absorption neutron cross-section of an isotope of a chemical element is the effective cross sectional area that an atom of that isotope presents to absorption. It is often measured in "barns" (b).