Recently, the LHCb collaboration discovered a new state X(6900) , which matches the properties of an exotic four-charm-quark hadron. This unusual structure, ...

The fundamental structure of the proposed SIMP (strongly interacting massive particle) is similar to that of a pion (left). Pions are composed of an up quark and a down antiquark, with a gluon (g ...

The 16th International Workshop on Hadron Physics welcomed 135 physicists to the Federal University of Rio Grande do Sul in ...

What happens when the smallest building blocks of matter refuse to play by the rules of traditional physics? For decades, ...

Scientists seeking to confirm earlier measurements of the strange quark's contribution to the proton's magnetic moment have found several surprises, instead. CHAMPAIGN, Ill. — Scientists seeking ...

Proton's party pals may alter its internal structure Date: November 20, 2009 Source: DOE/Thomas Jefferson National Accelerator Facility Summary: A recent experiment has found that a proton's ...