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- Delayed_neutron abstract "In nuclear engineering, a delayed neutron is a neutron emitted after a nuclear fission event, by one of the fission products (or actually, a fission product daughter after beta decay), any time from a few milliseconds to a few minutes after the fission event. Neutrons born within seconds of the fission are termed "prompt neutrons".In a nuclear reactor large nuclides fission in two neutron-rich fission products (i.e. unstable nuclides). Many of these fission products then undergo radioactive decay (usually beta decay) and the resulting nuclides are left in an excited state. These usually immediately undergo gamma decay but a small fraction of them are excited enough to be able to decay by emitting a neutron in addition. The moment of beta decay of the precursor nuclides - which are the precursors of the delayed neutrons - happens orders of magnitude later compared to the emission of the prompt neutrons. Hence the neutron that originates from the precursor's decay is termed a delayed neutron. However, the "delay" in the neutron emission is due to the delay in beta decay, since neutron emission, like gamma emission, happens almost immediately after the beta decay. The various half lives of these decays that finally result in neutron emission, are thus the beta decay half lives of the precursor radionuclides.Delayed neutrons play an important role in nuclear reactor control and safety analysis.".
- Delayed_neutron wikiPageExternalLink node47.html.
- Delayed_neutron wikiPageExternalLink nuke1a.html.
- Delayed_neutron wikiPageID "1221457".
- Delayed_neutron wikiPageRevisionID "597434187".
- Delayed_neutron hasPhotoCollection Delayed_neutron.
- Delayed_neutron subject Category:Neutron.
- Delayed_neutron subject Category:Nuclear_technology.
- Delayed_neutron comment "In nuclear engineering, a delayed neutron is a neutron emitted after a nuclear fission event, by one of the fission products (or actually, a fission product daughter after beta decay), any time from a few milliseconds to a few minutes after the fission event. Neutrons born within seconds of the fission are termed "prompt neutrons".In a nuclear reactor large nuclides fission in two neutron-rich fission products (i.e. unstable nuclides).".
- Delayed_neutron label "Delayed neutron".
- Delayed_neutron label "Fraction de neutrons retardés".
- Delayed_neutron label "Запаздывающие нейтроны".
- Delayed_neutron sameAs Fraction_de_neutrons_retardés.
- Delayed_neutron sameAs m.0fpg88v.
- Delayed_neutron sameAs Q3044545.
- Delayed_neutron sameAs Q3044545.
- Delayed_neutron wasDerivedFrom Delayed_neutron?oldid=597434187.
- Delayed_neutron isPrimaryTopicOf Delayed_neutron.