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Originally Posted by davidlpf
ok I never even heard of this tern before "positroniums" it just seems to be a made up word. I wish i knew how to have smilie face hitting his head against a wall.
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Davidlpf. Positronium is an electron and a positron in mutual electrostatic orbit. The positron replaces the proton in hydrogen (protium). Unstable. Annihilates to two gammas at 180 degrees, or three at 120 degrees.Pete