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- Quark_model abstract "In particle physics, the quark model is a classification scheme for hadrons in terms of their valence quarks—the quarks and antiquarks which give rise to the quantum numbers of the hadrons. The quark model underlies \"flavor SU(3)\", or the Eightfold Way, the successful classification scheme organizing the large number of lighter hadrons that were being discovered starting in the 1950s and continuing through the 1960s. It received experimental verification beginning in the late 1960s and is a valid effective classification of them to date. The quark model was independently proposed by physicists Murray Gell-Mann, andGeorge Zweig (also see ) in 1964. Today, the model has essentially been absorbed as a component of the established quantum field theory of strong and electroweak particle interactions, dubbed the Standard Model.Hadrons are not really \"elementary\", and can be regarded as bound states of their \"valence quarks\" and antiquarks, which give rise to the quantum numbers of the hadrons. These quantum numbers are labels identifying the hadrons, and are of two kinds. One set comes from the Poincaré symmetry—JPC, where J, P and C stand for the total angular momentum, P-symmetry, and C-symmetry, respectively.The remaining are flavor quantum numbers such as the isospin, strangeness, charm, and so on. The strong interactions binding the quarks together are insensitive to these quantum numbers, so variation of them leads to systematic mass and coupling relationships among the hadrons in the same flavor multiplet.All quarks are assigned a baryon number of ⅓. Up, charm and top quarks have an electric charge of +⅔, while the down, strange, and bottom quarks have an electric charge of −⅓. Antiquarks have the opposite quantum numbers. Quarks are spin-½ particles, and thus fermions. Each quark or antiquark obeys the Gell-Mann−Nishijima formula individually, so any additive assembly of them will as well.Mesons are made of a valence quark−antiquark pair (thus have a baryon number of 0), while baryons are made of three quarks (thus have a baryon number of 1). This article discusses the quark model for the up, down, and strange flavors of quark (which form an approximate flavor SU(3) symmetry). There are generalizations to larger number of flavors.".
- Quark_model thumbnail 8foldway.png?width=300.
- Quark_model wikiPageExternalLink quarkmodrpp.pdf.
- Quark_model wikiPageExternalLink Handout_7_2011.pdf.
- Quark_model wikiPageID "2008215".
- Quark_model wikiPageLength "17072".
- Quark_model wikiPageOutDegree "120".
- Quark_model wikiPageRevisionID "703919102".
- Quark_model wikiPageWikiLink Adjoint_representation.
- Quark_model wikiPageWikiLink Angular_momentum_operator.
- Quark_model wikiPageWikiLink Baryon.
- Quark_model wikiPageWikiLink Baryon_number.
- Quark_model wikiPageWikiLink Benjamin_Cummings.
- Quark_model wikiPageWikiLink Bottom_quark.
- Quark_model wikiPageWikiLink Brookhaven_National_Laboratory.
- Quark_model wikiPageWikiLink C-symmetry.
- Quark_model wikiPageWikiLink Category:Hadrons.
- Quark_model wikiPageWikiLink Category:Quarks.
- Quark_model wikiPageWikiLink Charm_(quantum_number).
- Quark_model wikiPageWikiLink Charm_quark.
- Quark_model wikiPageWikiLink Chen-Ning_Yang.
- Quark_model wikiPageWikiLink Color_confinement.
- Quark_model wikiPageWikiLink Delta_baryon.
- Quark_model wikiPageWikiLink Down_quark.
- Quark_model wikiPageWikiLink Eightfold_Way_(physics).
- Quark_model wikiPageWikiLink Electric_charge.
- Quark_model wikiPageWikiLink Enrico_Fermi.
- Quark_model wikiPageWikiLink Exotic_baryon.
- Quark_model wikiPageWikiLink Exotic_hadron.
- Quark_model wikiPageWikiLink Exotic_meson.
- Quark_model wikiPageWikiLink Explicit_symmetry_breaking.
- Quark_model wikiPageWikiLink Fermion.
- Quark_model wikiPageWikiLink Flavour_(particle_physics).
- Quark_model wikiPageWikiLink Fundamental_representation.
- Quark_model wikiPageWikiLink G-parity.
- Quark_model wikiPageWikiLink Gell-Mann–Nishijima_formula.
- Quark_model wikiPageWikiLink Gell-Mann–Okubo_mass_formula.
- Quark_model wikiPageWikiLink George_Zweig.
- Quark_model wikiPageWikiLink Glueball.
- Quark_model wikiPageWikiLink Gluon.
- Quark_model wikiPageWikiLink Hadron.
- Quark_model wikiPageWikiLink Instanton.
- Quark_model wikiPageWikiLink Intrinsic_parity.
- Quark_model wikiPageWikiLink Isospin.
- Quark_model wikiPageWikiLink Kazuhiko_Nishijima.
- Quark_model wikiPageWikiLink Lambda_baryon.
- Quark_model wikiPageWikiLink Leon_M._Lederman.
- Quark_model wikiPageWikiLink Luis_Walter_Alvarez.
- Quark_model wikiPageWikiLink Meson.
- Quark_model wikiPageWikiLink Moo-Young_Han.
- Quark_model wikiPageWikiLink Multiplicative_quantum_number.
- Quark_model wikiPageWikiLink Murray_Gell-Mann.
- Quark_model wikiPageWikiLink Nobel_Prize_in_Physics.
- Quark_model wikiPageWikiLink Nucleon.
- Quark_model wikiPageWikiLink Omega_baryon.
- Quark_model wikiPageWikiLink Oscar_W._Greenberg.
- Quark_model wikiPageWikiLink Parastatistics.
- Quark_model wikiPageWikiLink Parity_(physics).
- Quark_model wikiPageWikiLink Particle_Data_Group.
- Quark_model wikiPageWikiLink Particle_physics.
- Quark_model wikiPageWikiLink Pauli_exclusion_principle.
- Quark_model wikiPageWikiLink Pentaquark.
- Quark_model wikiPageWikiLink Physics_Letters.
- Quark_model wikiPageWikiLink Poincaré_group.
- Quark_model wikiPageWikiLink QCD_vacuum.
- Quark_model wikiPageWikiLink Quantum_chromodynamics.
- Quark_model wikiPageWikiLink Quantum_mechanics.
- Quark_model wikiPageWikiLink Quantum_number.
- Quark_model wikiPageWikiLink Quantum_state.
- Quark_model wikiPageWikiLink Quark.
- Quark_model wikiPageWikiLink Quark_model.
- Quark_model wikiPageWikiLink Shoichi_Sakata.
- Quark_model wikiPageWikiLink Sigma_baryon.
- Quark_model wikiPageWikiLink Special_unitary_group.
- Quark_model wikiPageWikiLink Spin-½.
- Quark_model wikiPageWikiLink Spin_(physics).
- Quark_model wikiPageWikiLink Spin–statistics_theorem.
- Quark_model wikiPageWikiLink Standard_Model.
- Quark_model wikiPageWikiLink Strange_quark.
- Quark_model wikiPageWikiLink Strangeness.
- Quark_model wikiPageWikiLink Subatomic_particle.
- Quark_model wikiPageWikiLink Tetraquark.
- Quark_model wikiPageWikiLink Top_quark.
- Quark_model wikiPageWikiLink Total_angular_momentum_quantum_number.
- Quark_model wikiPageWikiLink Trivial_representation.
- Quark_model wikiPageWikiLink Up_quark.
- Quark_model wikiPageWikiLink Wave_function.
- Quark_model wikiPageWikiLink William_A._Bardeen.
- Quark_model wikiPageWikiLink Wolfgang_Pauli.
- Quark_model wikiPageWikiLink Xi_baryon.
- Quark_model wikiPageWikiLink Yoichiro_Nambu.
- Quark_model wikiPageWikiLink Yuval_Neeman.
- Quark_model wikiPageWikiLink File:8foldway.png.
- Quark_model wikiPageWikiLink File:Baryon_decuplet.png.
- Quark_model wikiPageWikiLink File:Baryon_octet.png.
- Quark_model wikiPageWikiLink File:Noneto_mesônico_de_spin_0.png.
- Quark_model wikiPageWikiLink File:Noneto_mesônico_de_spin_1.png.
- Quark_model wikiPageWikiLinkText ""valence quarks"".
- Quark_model wikiPageWikiLinkText "Quark model".
- Quark_model wikiPageWikiLinkText "existence of quarks".