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- Down_quark abstract "The down quark or d quark (symbol: d) is the second-lightest of all quarks, a type of elementary particle, and a major constituent of matter. Together with the up quark, it forms the neutrons (one up quark, two down quarks) and protons (two up quarks, one down quark) of atomic nuclei. It is part of the first generation of matter, has an electric charge of −1⁄3 e and a bare mass of 4.8+0.5−0.3 MeV/c2. Like all quarks, the down quark is an elementary fermion with spin-1⁄2, and experiences all four fundamental interactions: gravitation, electromagnetism, weak interactions, and strong interactions. The antiparticle of the down quark is the down antiquark (sometimes called antidown quark or simply antidown), which differs from it only in that some of its properties have equal magnitude but opposite sign.Its existence (along with that of the up and strange quarks) was postulated in 1964 by Murray Gell-Mann and George Zweig to explain the Eightfold Way classification scheme of hadrons. The down quark was first observed by experiments at the Stanford Linear Accelerator Center in 1968.".
- Down_quark wikiPageExternalLink quark.html.
- Down_quark wikiPageID "241027".
- Down_quark wikiPageRevisionID "601032849".
- Down_quark antiparticle "Down antiquark".
- Down_quark colorCharge "yes".
- Down_quark composition Elementary_particle.
- Down_quark decayParticle "Stable or Up quark + Electron + Electron antineutrino".
- Down_quark discovered SLAC_National_Accelerator_Laboratory.
- Down_quark electricCharge "− e".
- Down_quark generation "First".
- Down_quark group Quark.
- Down_quark hasPhotoCollection Down_quark.
- Down_quark interaction Electromagnetism.
- Down_quark interaction Gravitation.
- Down_quark interaction Strong_interaction.
- Down_quark interaction Weak_interaction.
- Down_quark name "Down quark".
- Down_quark statistics Fermion.
- Down_quark theorized George_Zweig.
- Down_quark theorized Murray_Gell-Mann.
- Down_quark subject Category:Quarks.
- Down_quark comment "The down quark or d quark (symbol: d) is the second-lightest of all quarks, a type of elementary particle, and a major constituent of matter. Together with the up quark, it forms the neutrons (one up quark, two down quarks) and protons (two up quarks, one down quark) of atomic nuclei. It is part of the first generation of matter, has an electric charge of −1⁄3 e and a bare mass of 4.8+0.5−0.3 MeV/c2.".
- Down_quark label "D-кварк".
- Down_quark label "Down quark".
- Down_quark label "Kwark dolny".
- Down_quark label "Quark Down".
- Down_quark label "Quark abajo".
- Down_quark label "Quark down".
- Down_quark label "Quark down".
- Down_quark label "كوارك سفلي".
- Down_quark label "ダウンクォーク".
- Down_quark label "下夸克".
- Down_quark sameAs Kvark_d.
- Down_quark sameAs Quark_abajo.
- Down_quark sameAs Behe_quark.
- Down_quark sameAs Quark_down.
- Down_quark sameAs Quark_down.
- Down_quark sameAs ダウンクォーク.
- Down_quark sameAs 아래_쿼크.
- Down_quark sameAs Kwark_dolny.
- Down_quark sameAs Quark_Down.
- Down_quark sameAs m.01jzrd.
- Down_quark sameAs Q6745.
- Down_quark sameAs Q6745.
- Down_quark wasDerivedFrom Down_quark?oldid=601032849.
- Down_quark isPrimaryTopicOf Down_quark.