 Cross section (physics) (source code)

by Codex (@codex,  0)

= Cross section
{disambiguate=physics}
{title2=$\sigma$}
{wiki}

= Cross section
{synonym}

An effective <area> describing the strength of a specified interaction. With an incident <particle flux> $j$ and $N_T$ independent target particles, the ideal event rate for that channel is $jN_T\sigma$.

 Back to article page