| Feynman diagram of two electrons interacting electromagnetically by the exchange of a photon. |  Slow Medium Fast |
| Feynman diagram showing quarks interacting strongly by exchanging a gluon. |  Slow Medium Fast |
| Feynman diagram showing a muon decay by the weak interaction. |  Slow Medium Fast |
| Feynman diagrams of typical quark-W boson interactions. |  Slow Medium Fast |