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Particle Physics - FSU Physics Department

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Strong quark interactions<br />

quarks carry “color charge” (red, blue,<br />

green) and interact exchanging gluons,<br />

the carriers of the strong force<br />

theory of strong interaction is “gauge<br />

theory”; form of interaction governed<br />

by invariance under local SU(3) c (“color<br />

SU(3)”)<br />

8 gluons carry color charge ⇒ interact<br />

with each other<br />

37

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