Physics 111: Compton Scattering (COM) Physics 111 Advanced Laboratory. Professor Sumner Davis This video accompanies the Compton Scattering Experiment, providing students with an introduction to the theory, apparatus, and procedures. When photons collide with electrons they give up energy, their wavelengths are increased, and they are scattered out of their original direction of travel. This phenomenon is the Compton Effect, described with an equation relating energy loss to scattering angle. In this experiment gamma rays from radioactive Americium are scattered by electrons in a target of aluminum. You will measure energy loss vs. angle to confirm the classical equation and the Klein-Nishina distribution. The experiment offers an introduction to gamma ray detection and measurement, with emphasis on semiconductor detectors. You will learn how to use a pulse height analyzer, and how to work safely around radioactive materials. http://advancedlab.org
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This video is a part of a lecture series from of berkeley