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# Oh man.
I couldn't remember much about gluons so I looked on Wikipedia to brush up. Now my brain is somewhere in my shoes.
(, Mon 6 Oct 2008, 13:07, archived)
# I never had a clue about it D:
(, Mon 6 Oct 2008, 13:10, archived)
# Well of course everyone knows...
The gluon is a vector boson; like the photon, it has a spin of 1. While massive spin-1 particles have three polarization states, massless gauge bosons like the gluon have only two polarization states because gauge invariance requires the polarization to be transverse.
(, Mon 6 Oct 2008, 13:12, archived)
# well, duh.
(, Mon 6 Oct 2008, 13:23, archived)
# gauge boson, that carries the strong colour charge.
(, Mon 6 Oct 2008, 13:11, archived)