Definition that contains elementary particle
- capture bring about the capture of an elementary particle or celestial body and causing it enter a new orbit
- interaction (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons
- neutron an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus
- electron an elementary particle with negative charge
- photon a quantum of electromagnetic radiation; an elementary particle that is its own antiparticle
- antimatter matter consisting of elementary particles that are the antiparticles of those making up normal substances
- positron an elementary particle with positive charge; interaction of a positron and an electron results in annihilation
- meson an elementary particle responsible for the forces in the atomic nucleus; a hadron with a baryon number of 0
- hadron any elementary particle that interacts strongly with other particles
- lepton an elementary particle that participates in weak interactions; has a baryon number of 0