Compton scattering question

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  • #1
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Why is it that the formula for compton scattering does not include the binding energy for an electron to the nucleus? Seems like the scattered electron can have a continuous range of energies from 0 to h/mc. Why isnt this quantized?
 

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  • #2
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Why is it that the formula for compton scattering does not include the binding energy for an electron to the nucleus? Seems like the scattered electron can have a continuous range of energies from 0 to h/mc. Why isnt this quantized?
because in the formula one assumes that the electron is free, i.e. binding energy = 0.
 
  • #3
jtbell
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Note that with the Compton effect we are using X-ray photons (energy = several 10's of keV) or gamma-ray photons (100's of keV), whereas the original binding energies of the electrons are a few eV. So it's a good approximation to consider the electrons as "free."
 

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