Professor Claudia Ratti explains about quarks and gluons, including the so-called Quark-Gluon Plasma, plus Quantum Chromodynamics ...

Physicists love a particle accelerator, and we have since taken a good look at the six flavors of quarks (up, down, strange, charm, bottom, and top) and the eight different types of gluons.

A new paper featuring the results of the investigation, "New Data-Driven Constraints on the Sign of Gluon Polarization in the Proton," appears in the journal Physical Review Letters, authored by ...