1.5K views · 12 reactions | The production of the electron and positron pair is a common example of pair production. Generally speaking, it's the creation of a particle and an antiparticle. During this process, the gamma ray photon gives up its energy and vanishes. This photon must have sufficient energy to create the rest masses of the two new particles. #particlephysics #physics #nuclearphysics #alevel #alevelphysics | vt.physics | Facebook