The Physics
Hypertextbook
Opus in profectus

Quantum Electrodynamics

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Summary

Cartoon representation of a photon passing by an atom
      
Cartoon representation of a photon exciting an electron in an atom
Cartoon representation of a photon ionizing an atom
Cartoon representation of a photon scattering off an electron in an atom
Cartoon representation of a photon producing an electron-positron pair
Cartoon representation of an excited electron in an atom creating a photon of ir, light, or uv
Cartoon representation of a braking electron creating an x-ray
Cartoon representation of a free electron scattering off an x-ray
Cartoon representation of electron-positron annihilation