gluons 101

[Glenn]

Is my understanding correct that gluons are the force carrier particle of the strong nuclear force?

Do gluons hold together quarks? Or do gluons hold together atomic nuclei?

Thanks,
Glenn

[Ambitwistor]

Gluons, as mediators of the strong interaction, bind together quarks into hadrons. In atoms, they also bind nucleons (protons, neutrons) into nuclei.