BRAINCAKEFeynman Diagrams
Feynman Diagrams are graphical representations of the interactions of elementary particles. They are a method of visualising and calculating the effects of electromagnetic interactions among particles and are used to depict all types of particle interactions.
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Key terms in this lesson
- Photon
- A discrete packet, or quantum, of electromagnetic energy.
- Exchange particle
- A particle exchanged between interacting particles that carries a fundamental force; also called a force carrier.
More in Particles and Radiation
- Annihilation
- Pair Production
- The Discovery of the Positron
- The Electromagnetic Force
- The Weak Nuclear Force
- The W Boson
- Beta Decay
- Electron Capture
All 22 lessons in Particles and Radiation · All AQA AS-level Physics topics