The Thomson and Klein-Nishina equations for obtaining the differential cross section by Compton scattering of photons from free electrons in aluminum will be tested using 0.662 MeV photons from a Cesium-137 source. A NaI detector will be used to count the number of photons scattering from the target as a function of the scattering angle. A previous experiment carried out by VU student Josh Vredevoogd showed good agreement with the Klein-Nishina theory for angles greater than 45 but discrepancies with angles less than 45 degrees. This experiment will concentrate on testing the Klein-Nishina theory at angles less than 45 degrees.
Rogers, Joel, "Testing the Klein-Nishina Model for Compton Scattering of 0.662 MeV Photons with a Focus on Lower Scattering Angles" (2013). Symposium on Undergraduate Research and Creative Expression (SOURCE). 277.