Compton Scattering

λ^{'} - λ = \frac{h}{m _{e} c} (1 - cos θ)

Wavelength shift of photons scattered by electrons. Confirms particle nature of light.

Variables

\lambda'

Scattered wavelength

m

\lambda

Incident wavelength

m

h

Planck constant

J·s

m_e

Electron mass

kg

c

Speed of light

m/s

\theta

Scattering angle

°

Derivation

Derived by treating collision as relativistic particle interaction.

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