• This is a timeline of subatomic particle discoveries, including all particles thus far discovered which appear to be elementary (that is, indivisible)...
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  • subatomic particles Particle zoo Timeline of particle discoveries Braibant, Sylvie; Giacomelli, Giorgio; Spurio, Maurizio (2012). Particles and Fundamental...
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  • Thumbnail for Particle
    In the physical sciences, a particle (or corpuscle in older texts) is a small localized object which can be described by several physical or chemical properties...
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  • Thumbnail for Boson
    Boson (redirect from Bose particle)
    In particle physics, a boson (/ˈboʊzɒn/ /ˈboʊsɒn/) is a subatomic particle whose spin quantum number has an integer value (0, 1, 2, ...). Bosons form...
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  • Sigma baryon (redirect from Sigma particle)
    baryon List of mesons List of particles Nucleon Omega baryon Physics portal Timeline of particle discoveries Xi baryon Zyla, P. A.; et al. (Particle Data Group)...
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  • A virtual particle is a theoretical transient particle that exhibits some of the characteristics of an ordinary particle, while having its existence limited...
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  • Thumbnail for Baryon
    Baryon (redirect from Baryonic particles)
    (Q = +1). Eightfold way List of baryons Meson Timeline of particle discoveries Gell-Mann, M. (1964). "A schematic model of baryons and mesons". Physics...
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  • Thumbnail for Hyperon
    Hyperon (redirect from List of hyperons)
    Hypernucleus Strangelet List of baryons List of particles Physics portal Timeline of particle discoveries Greiner, Walter (2001). "Structure of vacuum and elementary...
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  • Thumbnail for Fermion
    Fermion (redirect from Matter particle)
    In particle physics, a fermion is a subatomic particle that follows Fermi–Dirac statistics. Fermions have a half-integer spin (spin ⁠1/2⁠, spin ⁠3/2⁠...
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  • meson and B meson. List of mesons List of particles Timeline of particle discoveries Nave, G., ed. (2016). "D meson". Department of Physics & Astronomy....
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  • In particle physics, a massless particle is an elementary particle whose invariant mass is zero. At present the only confirmed massless particle is the...
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  • Thumbnail for Tau (particle)
    the tau lepton, tau particle or tauon, is an elementary particle similar to the electron, with negative electric charge and a spin of ⁠1/2⁠. Like the electron...
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  • Thumbnail for Elementary particle
    In particle physics, an elementary particle or fundamental particle is a subatomic particle that is not composed of other particles. The Standard Model...
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  • Thumbnail for Majorana fermion
    In particle physics a Majorana fermion (/maɪəˈrɑːnə/) or Majorana particle is a fermion that is its own antiparticle. They were hypothesised by Ettore...
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  • A timeline of atomic and subatomic physics, including particle physics. 6th - 2nd Century BCE Kanada (philosopher) proposes that anu is an indestructible...
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  • Thumbnail for Omega baryon
    Omega baryon (redirect from Omega Particle)
    List of mesons List of particles Nucleon Physics portal Sigma baryon Timeline of particle discoveries Xi baryon Particle Data Group. "2010 Review of Particle...
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  • and helicity List of fictional elements, materials, isotopes and subatomic particles Timeline of particle discoveries List of particles Maartens, R. (2004)...
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  • Delta baryon (redirect from Delta particle)
    baryons (or Δ baryons, also called Delta resonances) are a family of subatomic particle made of three up or down quarks (u or d quarks), the same constituent...
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  • Quasiparticle (redirect from Quasi-particle)
    used to describe a collective behavior of a group of particles that can be treated as if they were a single particle. Formally, quasiparticles and collective...
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  • Timeline of particle discoveries (1800–present) Timeline of nuclear fusion (1929–present) Timeline of nuclear program of Iran (1956–present) Timeline...
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  • of exotic matter: Hypothetical particles and states of matter that have not yet been encountered, but whose properties would be within the realm of mainstream...
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  • Thumbnail for J/psi meson
    J/psi meson (redirect from J particle)
    Ting of MIT. They discovered that they had found the same particle, and both announced their discoveries on 11 November 1974. The importance of this discovery[citation...
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  • Thumbnail for Hadron
    In particle physics, a hadron is a composite subatomic particle made of two or more quarks held together by the strong nuclear force. Pronounced /ˈhædrɒn/...
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  • Bottom quark (category Elementary particles)
    beauty quark, or b quark, is an elementary particle of the third generation. It is a heavy quark with a charge of −⁠1/3⁠ e. All quarks are described in a...
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  • The timeline below shows the date of publication of possible major scientific breakthroughs, theories and discoveries, along with the discoverer. This...
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  • Thumbnail for Muonium
    nomenclature of particle physics, an atom composed of a positively charged particle bound to an electron is named after the positive particle with "-ium"...
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  • Thumbnail for Positron
    Positron (redirect from Beta plus particle)
    The positron or antielectron is the particle with an electric charge of +1e, a spin of 1/2 (the same as the electron), and the same mass as an electron...
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  • Thumbnail for Lambda baryon
    strangeness and led to the discovery of the strange quark. Furthermore, these discoveries led to a principle known as the conservation of strangeness, wherein...
    20 KB (1,432 words) - 04:03, 25 July 2024
  • Thumbnail for Electron
    Electron (redirect from Beta minus particle)
    reactions) is a subatomic particle with a negative one elementary electric charge. Ordinary matter is composed of atoms. Each atom consists of a positively charged...
    154 KB (15,743 words) - 19:04, 25 May 2025
  • third lightest of all quarks, a type of elementary particle. Strange quarks are found in subatomic particles called hadrons. Examples of hadrons containing...
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