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Thomson Scattering

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Thomson scattering


Thomson scattering is the elastic scattering of electromagnetic radiation by a free charged particle, as described by classical electromagnetism. It is the low-energy limit of Compton scattering: the particle's kinetic energy and photon frequency do not change as a result of the scattering. This limit is valid as long as the photon energy is much smaller than the mass energy of the particle: $${\displaystyle \nu \ll mc^{2}/h}$$ , or equivalently, if the wavelength of the light is much greater than the Compton wavelength of the particle (e.g., for electrons, longer wavelengths than hard x-rays).

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Wikipedia contributors. "Thomson scattering." Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, June 28, 2024.
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