The Particle Zoo

  • A. Karel Velan


The known elementary and nuclear particles that can be stable are: quarks, protons, electrons, photons antiprotons, positrons, electron-neutrino, muon-neutrino, and tau-neutrino. Nevertheless, there are many quark-gluon composite particles in the form of mesons and baryons born from concentrated electromagnetic energy or γ photons, created in high-energy collisions of protons and electrons with their counterparts—antiprotons and positrons—in particle accelerators or in the upper atmosphere of the earth from collisions of particles with cosmic radiation from the sun, stars, and galaxies.


Excited State Rest Mass Cosmic Radiation Heavy Baryon Nuclear Particle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Plenum Press, New York 1992

Authors and Affiliations

  • A. Karel Velan
    • 1
  1. 1.Velan, Inc.MontrealCanada

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