bn:03201437n
Noun Concept
Categories: Molecular physics, Quantum electrodynamics, Onium, Substances discovered in 1950s, Spintronics
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positronium  ortho-positronium  Orthopositronium  Para-positronium  Parapositronium
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Positronium is a system consisting of an electron and its anti-particle, a positron, bound together into an exotic atom, specifically an onium. Wikipedia
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EN
Positronium is a system consisting of an electron and its anti-particle, a positron, bound together into an exotic atom, specifically an onium. Wikipedia
Bound state of an electron and positron Wikidata
An onium consisting of a positron (anti-electron) and an electron, as a particle–anti-particle bound pair. Wiktionary
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