Excited light baryons from quark-gluon-level calculations

• DOI: 10.48550/arxiv.1911.04923
• Publication Date: 2019-01-01
• Authors: Jorge Segovia; Chen Chen; Zhu-Fang Cui; Ya Lu; Craig D. Roberts
• Keywords: Nuclear Theory (nucl-th); High Energy Physics - Phenomenology; High Energy Physics - Lattice; High Energy Physics - Phenomenology (hep-ph); Nuclear Theory; High Energy Physics - Lattice (hep-lat); 0103 physical sciences; FOS: Physical sciences; 01 natural sciences; 7. Clean energy

The task of mapping and explaining the spectrum baryons structure these states in terms quarks gluons is a longstanding challenge hadron physics, which likely to persist for another decade or more. We review progress made this topic using functional method based on Dyson-Schwinger equations. This framework provides non-perturbative, Poincar\'e-covariant continuum formulation Quantum Chromodynamics able extract novel insight baryon properties since physics at level directly related with underlying quark-gluon substructure, via convolution Green functions.