Epsilon radiation

Epsilon radiation is tertiary radiation caused by secondary radiation (e.g., delta radiation). Epsilon rays are a form of particle radiation and are composed of electrons. The term was coined by J. J. Thomson, but is very rarely used today.

See also

• Electron
• Rays:
  • α (alpha) rays
  • β (beta) rays
  • γ (gamma) rays
  • δ (delta) rays