ABSTRACT
To get some familiarity with the spur technique we shall calculate in detail the Compton effect, the scattering of a photon from a free electron. Two diagrams contribute to this process: https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429492501/e6a0c676-1f8d-4684-97a0-6bf3353f7ce0/content/pg125_1.tif"/>
