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Thomson cross section
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Italian physicist Guglielmo Marconi at work in the wireless room of his yacht Electra, c. 1920.
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Srinivasa Ramanujan, Indian mathematician and autodidact.
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Thomson cross section

physics

Learn about this topic in these articles:

photon scattering

  • energy states in molecular systems
    In radiation: Cross section and Compton scattering

    …cross section is called the Thomson cross section, symbolized by the Greek letter sigma with subscript zero, σ0, and is equal to a numerical factor times the square of the term, electric charge squared divided by electron rest energy, or σ0 = (8π/3) (e2/mc2)2. When the photon energy is equal…

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