Baryon Properties from Continuum-QCD

Abstract

We provide an inkling of recent progress in hadron physics made using QCD's Dyson-Schwinger equations, reviewing: the notion of in-hadron condensates and a putative solution of a gross problem with the cosmological constant; a symmetry-preserving computation that simultaneously correlates the masses of meson and baryon ground- and excited-states, and contributes to a resolution of the conundrum of the Roper resonance; and a prediction for the Q^2-dependence of u- and d-quark Dirac and Pauli form factors in the proton, which exposes the critical role played by diquark correlations within the nucleon.

7 pages, 2 figures. Plenary-based contribution to the Proceedings of the International Conference on the Structure of Baryons - Baryons 2010, Suita Campus, Osaka University, Japan 7-11 December 2010

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• Three Lectures on Hadron Physics
• Revealing dressed-quarks via the proton's charge distribution
• Understanding the nucleon as a Borromean bound-state
• Features and flaws of a contact interaction treatment of the kaon
• Electromagnetic structure of the nucleon and the Roper resonance in a light-front quark approach
• Why is GeV physics relevant in the age of the LHC?