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| Description: Pair Production and Annihilation (a) A particle and an antiparticle can be created when a high-energy photon collides with a nucleus. (b) Conversely, a particle and an antiparticle can annihilate each other and emit energy in the form of gamma rays. (The processes are more complex and are only summarized in these drawings.) Picture Stats: Views: 734 Filesize: 130.71kB Height: 761 Width: 1350 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=18785 |