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Color charge
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=== Field lines from color charges === {{main|Field (physics)}} Analogous to an [[electric field]] and electric charges, the strong force acting between color charges can be depicted using field lines. However, the color field lines do not arc outwards from one charge to another as much, because they are pulled together tightly by gluons (within 1 [[femtometre|fm]]).<ref>{{Citation|title=Quantum Physics of Atoms, Molecules, Solids, Nuclei and Particles|edition=2nd|author=R. Resnick, R. Eisberg|publisher=John Wiley & Sons|year=1985|page=[https://archive.org/details/quantumphysicsof00eisb/page/684 684]|isbn=978-0-471-87373-0|url=https://archive.org/details/quantumphysicsof00eisb/page/684}}</ref> This effect [[Color confinement|confines]] [[quark]]s within [[hadron]]s. [[File:Qcd fields field (physics).svg|400px|center|thumb|Fields due to color charges of [[quark]]s ('''G''' is the [[gluon field strength tensor]]) in "colorless" combinations.<br/>''Top'': Color charge has "ternary neutral states" as well as binary neutrality (analogous to [[electric charge]]).<br/>''Bottom'': Quark/antiquark combinations.<ref>{{Citation|title=McGraw Hill Encyclopaedia of Physics|first1=C.B.|last1=Parker|edition=2nd|publisher=Mc Graw Hill|year=1994|isbn=978-0-07-051400-3|url=https://archive.org/details/mcgrawhillencycl1993park}}</ref><ref>{{Citation |author= M. Mansfield, C. O’Sullivan|title= Understanding Physics|edition= 4th |year= 2011|publisher= John Wiley & Sons|isbn=978-0-47-0746370}}</ref>]]
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