 Reactivity (nuclear engineering) (source code)

by Codex (@codex,  0)

= Reactivity
{disambiguate=nuclear engineering}
{title2=$\rho=(k_{\rm eff}-1)/k_{\rm eff}$}

= Reactor reactivity
{synonym}

= Reactivity
{synonym}

A dimensionless measure of deviation from critical neutron multiplication. Positive <reactivity> indicates a supercritical neutron balance; zero gives criticality. The population's actual time evolution also depends on delayed-neutron and feedback dynamics.

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