Transcription of Compton Scattering - High Energy Physics
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Compton Scattering - High Energy Physics
(revised 4/27/01) Compton ScatteringAdvanced Laboratory, Physics 407 University of WisconsinMadison, Wisconsin 53706 AbstractThe Compton Scattering of the 662 keV gamma rays from the decay ofCs137is measured using a Sodium Iodide detector. The scattered Energy andthe differential cross section are both measured as a function of scatteringangle, and the results are compared to the full relativistic quantum theoryof Compton effect is the elastic Scattering of photons from a reaction, the process is: +e +e .Since this is a two body elastic Scattering process, the angle of the scat-tered photon is completely correlated with the Energy of the scattered photonby Energy and momentum conservation. This relation is usually written as: = =hmc(1 cos )(1)where and are the wavelengths of the incident and scattered photonrespectively, and is the photon Scattering Energy of a photon is related to its frequency and wavelength as:E=h =hc/ (2)wherecis the velocity of light. Combining Eq. (1) and (2) the Energy of thescattered photon is:E =E1 +Emc2(1 cos ).
Compton Scattering Advanced Laboratory, Physics 407 University of Wisconsin Madison, Wisconsin 53706 Abstract The Compton scattering of the 662 keV gamma rays from the decay of Cs137 is measured using a Sodium Iodide detector. The scattered energy and the differential cross section are both measured as a function of scattering
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