Gluons Massless? Explaining Short-Range Strong Force

Dounia · Oct 18, 2015

how to explain the fact that the gluons are massless, whereas the strong force is short range ?

Orodruin · Oct 18, 2015

The strong force is short range because it is a non-Abelian gauge theory which is confining, i.e., at large scales there are no color charged states. The residual strong force is mediated by pions which are massive.

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