Editing 1862: Particle Properties
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− | | The {{w|electric charge}} is shown in increments of a third from -1 to +1 which are the only known charges of fundamental particles (leptons, quarks and gauge bosons); however there are some exotic composite particles with twice integer charge, e.g. the recently discovered | + | | The {{w|electric charge}} is shown in increments of a third from -1 to +1 which are the only known charges of fundamental particles (leptons, quarks and gauge bosons); however there are some exotic composite particles with twice integer charge, e.g. the recently discovered double charmed Xi baryon with a charge of +2. |
Quarks are the only particles with charges of ± ⅓ or ± ⅔, but cannot exist individually; below the {{w|Hagedorn temperature}}, they are only found within hadrons. To date, all hadrons (particles composed of quarks), leptons, and bosons have integer charge, and current models indicate that this must be the case. | Quarks are the only particles with charges of ± ⅓ or ± ⅔, but cannot exist individually; below the {{w|Hagedorn temperature}}, they are only found within hadrons. To date, all hadrons (particles composed of quarks), leptons, and bosons have integer charge, and current models indicate that this must be the case. |