• 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...
    6 KB (461 words) - 01:52, 2 December 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...
    49 KB (6,741 words) - 11:05, 22 August 2024
  • 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...
    78 KB (8,025 words) - 01:47, 15 December 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...
    150 KB (16,170 words) - 09:18, 24 December 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...
    154 KB (15,572 words) - 17:45, 17 December 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...
    242 KB (26,395 words) - 19:53, 23 December 2024
  • 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...
    33 KB (3,696 words) - 18:12, 11 November 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...
    126 KB (12,936 words) - 04:30, 22 December 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...
    1 KB (190 words) - 16:13, 9 November 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 (1,078 words) - 20:10, 17 November 2024
  • Thumbnail for Elementary particle
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    36 KB (3,518 words) - 17:42, 18 November 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 (7,572 words) - 15:22, 18 December 2024
  • Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    107 KB (11,712 words) - 19:41, 19 December 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...
    7 KB (851 words) - 01:06, 14 December 2024
  • Thumbnail for Standard Model
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    65 KB (7,431 words) - 02:45, 20 December 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 (12,966 words) - 10:38, 18 December 2024
  • Thumbnail for Baryon asymmetry
    Antimatter Antiparticles Positron Antiproton Antineutron Antihydrogen Antihelium Onia Antiprotonic hydrogen Antiprotonic helium Muonium True muonium Pionium...
    19 KB (2,378 words) - 11:09, 28 September 2024
  • Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    28 KB (2,943 words) - 14:18, 18 November 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 (9,594 words) - 23:01, 20 December 2024
  • 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...
    24 KB (2,656 words) - 01:51, 1 November 2024
  • 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...
    45 KB (5,455 words) - 07:32, 23 December 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...
    68 KB (7,043 words) - 19:11, 23 December 2024
  • Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    11 KB (988 words) - 21:24, 7 October 2024
  • 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...
    12 KB (1,374 words) - 22:31, 2 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...
    24 KB (2,623 words) - 05:16, 15 December 2024
  • Thumbnail for Subatomic particle
    Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    34 KB (3,220 words) - 05:17, 25 December 2024
  • Thumbnail for Deuterium
    antimatter counterpart of the deuteron, consisting of an antiproton and an antineutron. The antideuteron was first produced in 1965 at the Proton Synchrotron...
    70 KB (8,755 words) - 21:26, 23 November 2024
  • Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    30 KB (3,263 words) - 17:00, 18 December 2024
  • Baryons Nucleon Proton Antiproton Neutron Antineutron Delta baryon Lambda baryon Sigma baryon Xi baryon Omega baryon Mesons Pion Rho meson Eta and eta...
    9 KB (972 words) - 05:44, 16 November 2024
  • Thumbnail for Antiproton
    antiproton annihilates, depositing additional energy in the cancerous region. Antineutron Deuterium § Antideuterium Antiprotonic helium List of particles Recycling...
    16 KB (1,652 words) - 01:49, 2 December 2024