An electron (blue) enters the laser beam from the left, and collides with a laser photon to produce a high-energy gamma ray (wiggly yellow line). The electron is deflected downwards. The gamma ray then collides with four or more laser photons to produce an electron-positron pair.
This page was created by Eric Prebys. It was last modified on Jan. 17, 1998 by Glenn Horton-Smith and Kirk McDonald .