‘A Quantum Theory of the Scattering of X-rays by Light Elements,’ pp. 483-502 in Physical Review, Second Series, Vol. 25, No. 5, May 1923.
Lancaster, PA & Corning, NY: American Physical Society, [1923]. First edition, journal issue in original printed wrappers, of the ‘Compton effect,’ which demonstrated the existence of quanta of electromagnetic radiation, later called photons. “This discovery ‘created a sensation among the physicists of the time.’ There were the inevitable controversies surrounding..... More
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