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- Pionium abstract "Pionium is an exotic atom consisting of one π+ and one π− meson. It can be created, for instance, by interaction of a proton beam accelerated by a particle accelerator and a target nucleus. Pionium has a short lifetime, predicted by chiral perturbation theory to be 6985289000000000000♠2.89×10−15 s. It decays mainly into two π0 mesons, and to a smaller extent into two photons.Pionium is currently under investigation at CERN to measure its lifetime. The DIRAC collaboration was able to detect 21227 atomic pairs from a total of 7009150000000000000♠1.5×109 events, which allows the pionium lifetime to be determined to within statistical errors of 9%. In 2006, the NA48/2 collaboration at CERN published an evidence for pionium production and decay in decays of charged kaons, studying mass spectra of daughter pion pairs in the events with three pions in the final state K± → π±(ππ)atom → π±π0π0. This was followed by a precision measurement of the S-wave pion scattering length, published by the collaboration in 2009.The results of the above experiments will provide crucial tests of low-energy QCD predictions.".
- Pionium wikiPageID "53218".
- Pionium wikiPageLength "3765".
- Pionium wikiPageOutDegree "19".
- Pionium wikiPageRevisionID "673494187".
- Pionium wikiPageWikiLink Atomic_nucleus.
- Pionium wikiPageWikiLink CERN.
- Pionium wikiPageWikiLink Category:Exotic_atoms.
- Pionium wikiPageWikiLink Category:Mesons.
- Pionium wikiPageWikiLink Category:Onium.
- Pionium wikiPageWikiLink Chirality_(physics).
- Pionium wikiPageWikiLink DIRAC.
- Pionium wikiPageWikiLink Exotic_atom.
- Pionium wikiPageWikiLink Kaon.
- Pionium wikiPageWikiLink Meson.
- Pionium wikiPageWikiLink Mesonic_molecule.
- Pionium wikiPageWikiLink Mesons.
- Pionium wikiPageWikiLink NA48_experiment.
- Pionium wikiPageWikiLink Onium.
- Pionium wikiPageWikiLink Particle_accelerator.
- Pionium wikiPageWikiLink Perturbation_theory_(quantum_mechanics).
- Pionium wikiPageWikiLink Pion.
- Pionium wikiPageWikiLink Proton.
- Pionium wikiPageWikiLink Quantum_chromodynamics.
- Pionium wikiPageWikiLinkText "Pionium".
- Pionium wikiPageWikiLinkText "pionium".
- Pionium hasPhotoCollection Pionium.
- Pionium wikiPageUsesTemplate Template:Particle-stub.
- Pionium wikiPageUsesTemplate Template:Reflist.
- Pionium wikiPageUsesTemplate Template:SubatomicParticle.
- Pionium wikiPageUsesTemplate Template:Val.
- Pionium subject Category:Exotic_atoms.
- Pionium subject Category:Mesons.
- Pionium subject Category:Onium.
- Pionium hypernym Atom.
- Pionium type ComicsCharacter.
- Pionium type Atom.
- Pionium type Boson.
- Pionium type Hadron.
- Pionium type Particle.
- Pionium type Physic.
- Pionium comment "Pionium is an exotic atom consisting of one π+ and one π− meson. It can be created, for instance, by interaction of a proton beam accelerated by a particle accelerator and a target nucleus. Pionium has a short lifetime, predicted by chiral perturbation theory to be 6985289000000000000♠2.89×10−15 s. It decays mainly into two π0 mesons, and to a smaller extent into two photons.Pionium is currently under investigation at CERN to measure its lifetime.".
- Pionium label "Pionium".
- Pionium sameAs Pioni.
- Pionium sameAs Pionio_(física).
- Pionium sameAs Pionium.
- Pionium sameAs Pionio.
- Pionium sameAs パイオニウム.
- Pionium sameAs Pionium.
- Pionium sameAs Piônio_(física).
- Pionium sameAs m.0dz7z.
- Pionium sameAs Pionij.
- Pionium sameAs Q2712797.
- Pionium sameAs Q2712797.
- Pionium wasDerivedFrom Pionium?oldid=673494187.
- Pionium isPrimaryTopicOf Pionium.