Researchers from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS), together with their ...

Investigating the behavior of quarks and gluons within hadrons is crucial for unraveling the mysteries of the microscopic structure of ... mass and constituent quark mass on PDFs.

The narrower structure is described as a hadron state of mass about 6900 MeV/c2, denoted as X(6900). As the J/? meson contains a charm (c) and an anticharm quark (\bar{c}), the new state suggests ...

This state, called a quark-gluon plasma ... Perturbation theory, a major weapon in a physicists' arsenal where Feynman diagram terms are calculated via powers of the coupling constant, does ...

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 ...

Scientists seeking to confirm earlier measurements of the strange quark's contribution to the ... a powerful tool to unravel the internal structure of the proton," said Doug Beck, a physics ...

"What we found is that there is a large modification of the quark structure in helium-4, and there was a much smaller effect in helium-3. And even though they were both light nuclei, they had a ...

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