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- Positronium abstract "Positronium (Ps) is a system consisting of an electron and its anti-particle, a positron, bound together into an exotic atom, specifically an onium. The system is unstable: the two particles annihilate each other to produce two gamma-ray photons after an average lifetime of 125 picoseconds or three gamma-ray photons after 142 nanoseconds in vacuum, depending on the relative spin states of the positron and electron. The orbit of the two particles and the set of energy levels is similar to that of the hydrogen atom (electron and proton). However, because of the reduced mass, the frequencies associated with the spectral lines are less than half of those of the corresponding hydrogen lines.".
- Positronium thumbnail Positronium.svg?width=300.
- Positronium wikiPageExternalLink deutsch.html.
- Positronium wikiPageExternalLink positron.
- Positronium wikiPageExternalLink search_positronium.html.
- Positronium wikiPageID "44596".
- Positronium wikiPageRevisionID "606241039".
- Positronium hasPhotoCollection Positronium.
- Positronium subject Category:Exotic_atoms.
- Positronium subject Category:Molecular_physics.
- Positronium subject Category:Onium.
- Positronium subject Category:Particle_physics.
- Positronium subject Category:Quantum_electrodynamics.
- Positronium subject Category:Spintronics.
- Positronium subject Category:Subatomic_particles.
- Positronium type Abstraction100002137.
- Positronium type Atom114619225.
- Positronium type ExoticAtoms.
- Positronium type Matter100020827.
- Positronium type Part113809207.
- Positronium type PhysicalEntity100001930.
- Positronium type Relation100031921.
- Positronium type Substance100019613.
- Positronium comment "Positronium (Ps) is a system consisting of an electron and its anti-particle, a positron, bound together into an exotic atom, specifically an onium. The system is unstable: the two particles annihilate each other to produce two gamma-ray photons after an average lifetime of 125 picoseconds or three gamma-ray photons after 142 nanoseconds in vacuum, depending on the relative spin states of the positron and electron.".
- Positronium label "Positronio".
- Positronium label "Positronio".
- Positronium label "Positronium".
- Positronium label "Positronium".
- Positronium label "Positronium".
- Positronium label "Positronium".
- Positronium label "Positrónio".
- Positronium label "Pozytonium".
- Positronium label "Позитроний".
- Positronium label "بوزترونيوم".
- Positronium label "ポジトロニウム".
- Positronium label "电子偶素".
- Positronium sameAs Pozitronium.
- Positronium sameAs Positronium.
- Positronium sameAs Positronio.
- Positronium sameAs Positronium.
- Positronium sameAs Positronio.
- Positronium sameAs ポジトロニウム.
- Positronium sameAs 포지트로늄.
- Positronium sameAs Positronium.
- Positronium sameAs Pozytonium.
- Positronium sameAs Positrónio.
- Positronium sameAs m.0c4mg.
- Positronium sameAs Q624990.
- Positronium sameAs Q624990.
- Positronium sameAs Positronium.
- Positronium wasDerivedFrom Positronium?oldid=606241039.
- Positronium depiction Positronium.svg.
- Positronium isPrimaryTopicOf Positronium.
