Page 2: Research news on Strong interaction

The strong interaction as a research area encompasses theoretical and experimental studies of the fundamental force described by quantum chromodynamics (QCD), which governs the dynamics of quarks and gluons and the structure of hadrons and nuclei. It includes investigations of color confinement, asymptotic freedom, chiral symmetry breaking, and the phase structure of strongly interacting matter, such as the quark–gluon plasma. Methodologically, it spans perturbative QCD at high energies, lattice QCD and effective field theories at low energies, and phenomenology in high-energy collider, fixed-target, and heavy-ion experiments to test and refine the Standard Model’s strong sector.

Beam-spin asymmetry study puts proton models to the test

Getting an up-close view of life at the cellular level can be as simple as placing onion skin under a microscope and adjusting the knobs. Peering deeper, into the heart of the atoms within, isn't as easy. It requires peeling ...

A new view of the proton and its excited states

The small but ubiquitous proton serves as a foundation for the bulk of the visible matter in the universe. It abides at the very heart of matter, giving rise to everything we see around us as it anchors the nuclei of atoms. ...

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