What are gluons? | Space

Gluons are appropriately named because they are the ‘glue’ that binds quarks together to form the likes of protons and neutrons.

They are the carriers of the strong force, one of the four fundamental forces. Force-carrying particles such as the gluon, as well as the photon for the electromagnetic force, and the W and Z bosons for the weak force, are all massless particles with a quantum spin of 1 and are referred to collectively as ‘gauge bosons’.

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