• Thumbnail for Antineutron
    The antineutron is the antiparticle of the neutron with symbol n . It differs from the neutron only in that some of its properties have equal magnitude...
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  • Thumbnail for Antiparticle
    not be identical to their antiparticles: for example, the neutron and antineutron are distinct. In 1932, soon after the prediction of positrons by Paul...
    20 KB (2,544 words) - 22:15, 31 January 2024
  • Gell-mann and Abraham Pais. For example, a neutron cannot transmute into an antineutron as that would violate the conservation of baryon number. But in those...
    48 KB (6,668 words) - 18:59, 6 March 2024
  • Thumbnail for Neutron
    Neutron (section Antineutron)
    so studying antineutrons provides stringent tests on CPT-symmetry. The fractional difference in the masses of the neutron and antineutron is (9±6)×10−5...
    115 KB (12,919 words) - 23:23, 12 May 2024
  • Thumbnail for Antiproton
    antiproton annihilates, depositing additional energy in the cancerous region. Antineutron Deuterium § Antideuterium Antiprotonic helium List of particles Recycling...
    16 KB (1,641 words) - 23:09, 12 May 2024
  • is the antiparticle of a helion, consisting of two antiprotons and an antineutron. "2022 CODATA Value: helion mass". The NIST Reference on Constants, Units...
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  • Thumbnail for Nucleon
    Both nucleons have corresponding antiparticles: the antiproton and the antineutron, which have the same mass and opposite charge as the proton and neutron...
    37 KB (3,057 words) - 05:15, 15 January 2024
  • Thumbnail for Bruce Cork
    Bruce Cork (1916 – October 7, 1994) was a physicist who discovered the antineutron in 1956 while working at the Lawrence Berkeley National Laboratory. He...
    1,012 bytes (56 words) - 09:59, 29 October 2023
  • Thumbnail for Antimatter
    Protons and neutrons have a baryon number of +1, while antiprotons and antineutrons have a baryon number of –1. Similarly, electrons have a lepton number...
    77 KB (7,930 words) - 02:26, 22 May 2024
  • Thumbnail for Higgs boson
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    240 KB (26,268 words) - 05:46, 16 May 2024
  • Thumbnail for Fermion
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
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  • Thumbnail for Molecule
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
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  • Its antiparticle, the antihypertriton, is formed of an antiproton, an antineutron and any antihyperon. The first one was discovered in March 2010 by the...
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  • Thumbnail for Annihilation
    flavors.) Antiprotons can and do annihilate with neutrons, and likewise antineutrons can annihilate with protons, as discussed below. Reactions in which proton–antiproton...
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  • Thumbnail for The A-Team
    ill-effects." Television reviewer Ric Meyers joked that the A-Team used "antineutron bullets—they destroy property for miles around, but never harm a human...
    44 KB (5,433 words) - 02:07, 13 May 2024
  • Thumbnail for Boson
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    10 KB (1,061 words) - 20:09, 10 February 2024
  • Thumbnail for Glueball
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    17 KB (1,926 words) - 05:02, 20 May 2024
  • Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    29 KB (3,086 words) - 14:15, 15 May 2024
  • Thumbnail for Baryon asymmetry
    Antimatter Antiparticles Positron Antiproton Antineutron Antihydrogen Antihelium Onia Antiprotonic hydrogen Antiprotonic helium Muonium True muonium Pionium...
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  • Thumbnail for Electron–positron annihilation
    Antimatter Antiparticles Positron Antiproton Antineutron Antihydrogen Antihelium Onia Antiprotonic hydrogen Antiprotonic helium Muonium True muonium Pionium...
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  • Thumbnail for Hadron
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    16 KB (1,850 words) - 18:37, 13 May 2024
  • Thumbnail for Neutrino
    Antimatter Antiparticles Positron Antiproton Antineutron Antihydrogen Antihelium Onia Antiprotonic hydrogen Antiprotonic helium Muonium True muonium Pionium...
    134 KB (13,693 words) - 10:30, 7 May 2024
  • Thumbnail for Matter
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    81 KB (9,593 words) - 20:43, 18 May 2024
  • Thumbnail for Proton
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    66 KB (6,883 words) - 20:36, 12 May 2024
  • Thumbnail for Atom
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    123 KB (12,637 words) - 12:15, 24 May 2024
  • Thumbnail for Quark
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    77 KB (7,561 words) - 10:31, 4 May 2024
  • Thumbnail for Electron
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    152 KB (15,311 words) - 03:23, 24 May 2024
  • Thumbnail for Big Bang
    longer high enough to create either new proton–antiproton or neutron–antineutron pairs. A mass annihilation immediately followed, leaving just one in...
    148 KB (15,928 words) - 02:10, 20 May 2024
  • Thumbnail for Enantiomer
    is a mirror-image that is also built from antimatter (antiprotons, antineutrons, and positrons). Throughout this article, "enantiomer" is used only in...
    23 KB (2,578 words) - 21:50, 23 May 2024
  • Thumbnail for Positron
    Antimatter Antiparticles Positron Antiproton Antineutron Antihydrogen Antihelium Onia Antiprotonic hydrogen Antiprotonic helium Muonium True muonium Pionium...
    34 KB (3,701 words) - 04:16, 29 February 2024