Quantum physics (quantum theory, quantum mechanics)
Quantum physics (quantum theory, quantum mechanics)
Quantum physics (quantum theory, quantum mechanics)
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Compton scattering 3<br />
Classical picture: oscillating electromagnetic field causes<br />
oscillations in positions of charged particles, which re-radiate in<br />
all directions at same frequency as incident radiation. No change<br />
in wavelength of scattered light is expected<br />
Incident light wave<br />
Oscillating electron<br />
Emitted light wave<br />
<br />
Compton’s explanation: collisions between particles of light (Xray<br />
photons) and electrons in the material<br />
Before<br />
Incoming photon<br />
p <br />
Electron<br />
After<br />
p e<br />
θ<br />
p <br />
scattered photon<br />
16<br />
scattered electron
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