#hadron any elementary particle that interacts strongly with other particles
supertype: elementary_particle__fundamental_particle__fundamentalparticle__subatomicparticle a particle that is less complex than an atom; regarded as constituents of all matter
part: antiquark quark
subtype: antibaryon the antiparticle of a baryon; a hadron with a baryon number of -1
subtype: antimeson the antiparticle of a meson
subtype: baryon__heavy_particle__heavyparticle any of the elementary particles having a mass equal to or greater than that of a proton and that participate in strong interactions; a hadron with a baryon number of +1
subtype: hyperon any baryon that is not a nucleon; unstable particle with mass greater than a neutron
subtype: lambda_particle__lambda_hyperon an electrically neutral baryon with isotopic spin 1
subtype: nucleon a constituent (proton or neutron) of an atomic nucleus
subtype: antineutron the antiparticle of a neutron
subtype: antiproton an unstable negatively charged proton; the antiparticle of a proton
subtype: neutron an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus
subtype: proton a stable particle with positive charge equal to the negative charge of an electron
subtype: hydrogen_ion a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
subtype: meson__mesotron an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
subtype: b-meson__bmeson exceedingly short-lived meson
subtype: J_particle__psi_particle__psiparticle a neutral meson with a large mass
subtype: kaon__kappa-meson__kappameson__k-meson__kmeson__K_particle an unstable meson produced as the result of a high-energy particle collision
subtype: pion__pi-meson a meson produced as the result of high-energy particle collision
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