Mesons and Baryons

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© Wikimedia Commons, GNU license version 1.2. Authors: Laurascudder, 2007 (Meson octet and Baryon decuplet) and Dr_Eric_Simon, 2006 (Baryon octet).

Just as atoms in the periodic table can be organized by their basic physical properties, baryons and mesons also can be organized. The particles in the meson octet and baryon decuplet are arranged according to their strangeness (s), a property associated with the strange quark, and electric charge (q). The particles in the baryon octet are organized according to electric charge and isospin, a property related to the strong interaction described in Unit 2. (Unit: 1)