http://www.ck12.org Chapter 23. Feynman Diagrams
- Not allowed: electrons don’t interact with gluons
- Not allowed: neutrinos don’t interact with photons
- Allowed: the electron and the positron are exchanging virtual electron/positron pairs
- Allowed: this is beta decay, a down quark splits into an up quark an electron and an electron neutrino via a
W−particle.
13.MEDIA
Click image to the left for more content.- Allowed: a muon splits into an muon neutrino, an electron and an electron neutrino via aW−particle.