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• Weak_interaction abstract "In particle physics, the weak interaction is the mechanism responsible for the weak force or weak nuclear force, one of the four fundamental interactions of nature, alongside the strong interaction, electromagnetism, and gravitation. The weak interaction is responsible for both the radioactive decay and nuclear fusion of subatomic particles. The theory of the weak interaction is sometimes called quantum flavordynamics (QFD), in analogy with the terms QCD and QED, but in practice the term is rarely used because the weak force is best understood in terms of electro-weak theory (EWT).In the Standard Model of particle physics the weak interaction is caused by the emission or absorption of W and Z bosons. All known fermions interact through the weak interaction. Fermions are particles, one of whose properties, spin, is a half-integer. A fermion can be an elementary particle, such as the electron; or it can be a composite particle, such as the proton. The heavy mass of W± and Z bosons being far heavier than protons or neutrons creates the short-range in the weak force. The force is termed weak because its field strength over a given distance is typically several orders of magnitude less than that of the strong nuclear force and electromagnetism.During the quark epoch, the electroweak force split into the electromagnetic and weak force. Most fermions will decay by a weak interaction over time. Important examples include beta decay, and the production of deuterium and then helium from hydrogen that powers the sun's thermonuclear process. Such decay also makes radiocarbon dating possible, as carbon-14 decays through the weak interaction to nitrogen-14. It can also create radioluminescence, commonly used in tritium illumination, and in the related field of betavoltaics.Quarks, which make up composite particles like neutrons and protons, come in six "flavours" – up, down, strange, charm, top and bottom – which give those composite particles their properties. The weak interaction is unique in that it allows for quarks to swap their flavour for another. For example, during beta minus decay, a down quark decays into an up quark, converting a neutron to a proton. In addition, the weak interaction is the only fundamental interaction that breaks parity-symmetry, and similarly, the only one to break CP-symmetry.".
• Weak_interaction thumbnail Weak_Decay_(flipped).svg?width=300.
• Weak_interaction wikiPageExternalLink books?id=0VIpJPn-qWoC&pg=PA30.
• Weak_interaction wikiPageExternalLink node9.html.
• Weak_interaction wikiPageID "33629".
• Weak_interaction wikiPageRevisionID "605281643".
• Weak_interaction hasPhotoCollection Weak_interaction.
• Weak_interaction subject Category:Concepts_in_physics.
• Weak_interaction subject Category:Electroweak_theory.
• Weak_interaction subject Category:Nuclear_physics.
• Weak_interaction comment "In particle physics, the weak interaction is the mechanism responsible for the weak force or weak nuclear force, one of the four fundamental interactions of nature, alongside the strong interaction, electromagnetism, and gravitation. The weak interaction is responsible for both the radioactive decay and nuclear fusion of subatomic particles.".
• Weak_interaction label "Força fraca".
• Weak_interaction label "Interacción débil".
• Weak_interaction label "Interaction faible".
• Weak_interaction label "Interazione debole".
• Weak_interaction label "Oddziaływanie słabe".
• Weak_interaction label "Schwache Wechselwirkung".
• Weak_interaction label "Weak interaction".
• Weak_interaction label "Zwakke kernkracht".
• Weak_interaction label "Слабое взаимодействие".
• Weak_interaction label "قوة نووية ضعيفة".
• Weak_interaction label "弱い相互作用".
• Weak_interaction label "弱相互作用".
• Weak_interaction sameAs Slabá_interakce.
• Weak_interaction sameAs Schwache_Wechselwirkung.
• Weak_interaction sameAs Ασθενής_αλληλεπίδραση.
• Weak_interaction sameAs Interacción_débil.
• Weak_interaction sameAs Interaction_faible.
• Weak_interaction sameAs Gaya_nuklir_lemah.
• Weak_interaction sameAs Interazione_debole.
• Weak_interaction sameAs 弱い相互作用.
• Weak_interaction sameAs 약한_상호작용.
• Weak_interaction sameAs Zwakke_kernkracht.
• Weak_interaction sameAs Oddziaływanie_słabe.
• Weak_interaction sameAs Força_fraca.
• Weak_interaction sameAs m.084b_.
• Weak_interaction sameAs Q11418.
• Weak_interaction sameAs Q11418.
• Weak_interaction wasDerivedFrom Weak_interaction?oldid=605281643.
• Weak_interaction depiction Weak_Decay_(flipped).svg.
• Weak_interaction isPrimaryTopicOf Weak_interaction.