Our account of the strong nuclear force is full of imaginative terms. Six flavors of quarks have color charges of red, green and blue, which dictate how they bind to form particles like protons and ...

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AMES, Iowa – John Lajoie, surrounded in his office by Star Trek posters and a few space hero action figures, recently made the case for nuclear physics research and the multi-million-dollar ...

Evidence of a particle made up of four tightly bound quarks tests physicists’ understanding of the force that holds protons and neutrons together. The particles in a hadron are bound tightly together ...