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- Proton_emission abstract "Proton emission (also known as proton radioactivity) is a type of radioactive decay in which a proton is ejected from a nucleus. Proton emission can occur from high-lying excited states in a nucleus following a beta decay, in which case the process is known as beta-delayed proton emission, or can occur from the ground state (or a low-lying isomer) of very proton-rich nuclei, in which case the process is very similar to alpha decay. For a proton to escape a nucleus, the proton separation energy must be negative - the proton is therefore unbound, and tunnels out of the nucleus in a finite time. Proton emission is not seen in naturally occurring isotopes; proton emitters can be produced via nuclear reactions, usually utilising some kind of particle accelerator.Although prompt (i.e. not beta-delayed) proton emission was observed from an isomer in cobalt-53 as early as 1969, no other proton-emitting states were found until 1981, when the proton radioactive ground states of lutetium-151 and thulium-147 were observed at experiments at the GSI in West Germany. Research in the field flourished after this breakthrough, and to date more than 25 isotopes have been found to exhibit proton emission. The study of proton emission has aided the understanding of nuclear deformation, masses and structure, and it is a wonderfully pure example of quantum tunneling.In 2002, the simultaneous emission of two protons was observed from the nucleus iron-45 in experiments at GSI and GANIL (Grand Accélérateur National d'Ions Lourds, at Caen). In 2005 it was experimentally determined (at the same facility) that zinc-54 can also undergo double proton decay.".
- Proton_emission thumbnail Zerfallsschema.png?width=300.
- Proton_emission wikiPageExternalLink queryensdf.
- Proton_emission wikiPageID "391278".
- Proton_emission wikiPageLength "3243".
- Proton_emission wikiPageOutDegree "27".
- Proton_emission wikiPageRevisionID "666895011".
- Proton_emission wikiPageWikiLink Alpha_decay.
- Proton_emission wikiPageWikiLink Atomic_nucleus.
- Proton_emission wikiPageWikiLink Beta_decay.
- Proton_emission wikiPageWikiLink Caen.
- Proton_emission wikiPageWikiLink Category:Nuclear_physics.
- Proton_emission wikiPageWikiLink Category:Proton.
- Proton_emission wikiPageWikiLink Category:Radioactivity.
- Proton_emission wikiPageWikiLink Cobalt.
- Proton_emission wikiPageWikiLink GSI_Helmholtz_Centre_for_Heavy_Ion_Research.
- Proton_emission wikiPageWikiLink Grand_Accxc3xa9lxc3xa9rateur_National_dIons_Lourds.
- Proton_emission wikiPageWikiLink Iron.
- Proton_emission wikiPageWikiLink Isotopes_of_helium.
- Proton_emission wikiPageWikiLink Lutetium.
- Proton_emission wikiPageWikiLink Neutron.
- Proton_emission wikiPageWikiLink Neutron_emission.
- Proton_emission wikiPageWikiLink Nuclear_drip_line.
- Proton_emission wikiPageWikiLink Nuclear_isomer.
- Proton_emission wikiPageWikiLink Nuclear_reaction.
- Proton_emission wikiPageWikiLink Particle_accelerator.
- Proton_emission wikiPageWikiLink Proton.
- Proton_emission wikiPageWikiLink Quantum_tunnelling.
- Proton_emission wikiPageWikiLink Thulium.
- Proton_emission wikiPageWikiLink Zinc.
- Proton_emission wikiPageWikiLink File:Queryensdf.jpg.
- Proton_emission wikiPageWikiLink File:Zerfallsschema.png.
- Proton_emission wikiPageWikiLinkText "2p".
- Proton_emission wikiPageWikiLinkText "Double proton emission".
- Proton_emission wikiPageWikiLinkText "Proton emission".
- Proton_emission wikiPageWikiLinkText "emits two protons".
- Proton_emission wikiPageWikiLinkText "emitted directly".
- Proton_emission wikiPageWikiLinkText "p".
- Proton_emission wikiPageWikiLinkText "proton emission".
- Proton_emission wikiPageUsesTemplate Template:Nuclear_processes.
- Proton_emission wikiPageUsesTemplate Template:One_source.
- Proton_emission wikiPageUsesTemplate Template:Redirect.
- Proton_emission wikiPageUsesTemplate Template:Reflist.
- Proton_emission subject Category:Nuclear_physics.
- Proton_emission subject Category:Proton.
- Proton_emission subject Category:Radioactivity.
- Proton_emission hypernym Decay.
- Proton_emission type Mechanic.
- Proton_emission type Physic.
- Proton_emission comment "Proton emission (also known as proton radioactivity) is a type of radioactive decay in which a proton is ejected from a nucleus. Proton emission can occur from high-lying excited states in a nucleus following a beta decay, in which case the process is known as beta-delayed proton emission, or can occur from the ground state (or a low-lying isomer) of very proton-rich nuclei, in which case the process is very similar to alpha decay.".
- Proton_emission label "Proton emission".
- Proton_emission sameAs Q902157.
- Proton_emission sameAs إصدار_بروتوني.
- Proton_emission sameAs Emissió_de_protons.
- Proton_emission sameAs Protonenemission.
- Proton_emission sameAs نشر_پروتون.
- Proton_emission sameAs Émission_de_proton.
- Proton_emission sameAs פליטת_פרוטון.
- Proton_emission sameAs 陽子放出.
- Proton_emission sameAs 양성자_방출.
- Proton_emission sameAs Emisja_protonu.
- Proton_emission sameAs Emissão_protônica.
- Proton_emission sameAs m.022r3m.
- Proton_emission sameAs Протонный_распад.
- Proton_emission sameAs Q902157.
- Proton_emission sameAs 质子发射.
- Proton_emission wasDerivedFrom Proton_emission?oldid=666895011.
- Proton_emission depiction Zerfallsschema.png.
- Proton_emission isPrimaryTopicOf Proton_emission.