Diquark Correlations in Hadron Physics: Origin, Impact and Evidence

Dal 23/09/2019 Al 27/09/2019
Trento (TN)
Categoria Eventi

“Diquark Correlations in Hadron Physics: Origin, Impact and Evidence” 23 – 27 September Organizers: Jacopo Ferreti (Yale University) Craig Roberts (Argonne National Laboratory) Elena Santopinto (INFN-GE) Jorge Segovia (Institut de Física d'Altes Energies (IFAE) and Barcelona Institute of Science and Technology (BIST) Universitat Autònoma de Barcelona) Bogdan Wojtsekhowski (Jefferson Lab) Abstract The last decade has seen a dramatic shift in the way we understand the internal structure of hadronic systems. Modern experimental facilities, new theoretical techniques for the continuum bound-state problem and progress with lattice-regularized QCD have provided strong indications that soft quarkquark (diquark) correlations play a crucial role in hadron physics. For example, theory indicates that the appearance of such correlations is a necessary consequence of dynamical chiral symmetry breaking, viz. the mechanism responsible for emergence of almost all visible mass in the universe; experiment has uncovered signals for such correlations in the flavour-separation of the proton’s electromagnetic form factors; and phenomenology suggests that diquark correlations might be critical to the formation of exotic tetra- and penta-quark hadrons.

This workshop will gather experimentalists and theorists to undertake a critical review of existing information, consolidate the facts, and therefrom develop a coherent, unified picture of hadron structure.

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