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The photon is a gauge boson carrier of the electric field. The gluon is a gauge boson carrier of the color field. Although they both have spin one and are mass-less they are quite different in other respects. They have different coupling constants and strengths.
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Because gluons carry the color charge, QCD is more difficult to analyze compared to quantum electrodynamics (QED) where the photon carries no electric charge.
The photon does not carry electric charge with it, while the gluons do carry the "color charge". Within their range of about a fermi, the gluons can interact ...
Jun 3, 2020 · The fundamental difference between gluons and photons is that photons have no color charge, but gluons do have color charge.
The gluon field is very similar to the electromagnetic field with the important difference that, unlike the photons of electromagnetism, the gluons carry ...
Oct 12, 2021 · The newly analyzed data from PHENIX reveal that direct photons can be used to study gluons' motions inside a proton.