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Pions, or pi mesons, are particles that consist of a quark and an antiquark of either up or down flavour. The exchange of virtual pions provides an explanation for the residual strong force between nucleons.

2 votes

Is it pions or gluons that mediate the strong force between nucleons?

Pions mediate the nuclear force or nucleon-nucleon interaction or RESIDUAL strong force. So, the answer to your question is BOTH. In different measure, but both. …
Manuel Cabedo's user avatar