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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
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any baryon that is not a nucleon; unstable particle with mass greater than a neutron
a constituent (proton or neutron) of an atomic nucleus
the antiparticle of a neutron
an unstable negatively charged proton; the antiparticle of a proton
an electrically neutral baryon with isotopic spin 1
an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus
a stable particle with positive charge equal to the negative charge of an electron
any particle that obeys Fermi-Dirac statistics and is subject to the Pauli exclusion principle
any elementary particle that interacts strongly with other particles
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