Mind the gap

Details Mind the gap Mind the gap

2006-12-06

arxiv.org/abs/nucl-th/0612027v1

Eur.Phys.J.A31:630-637,2007

Physics

Nuclear Physics

Nuclear Theory

7 pages, 3 figures. Contribution to Proceedings of 4th International Conference on Quarks and Nuclear Physics (QNP06), Madrid,

Scientific paper

10.1140/epja/i2006-10271-9

In this summary of the application of Dyson-Schwinger equations to the theory and phenomenology of hadrons, some deductions following from a nonperturbative, symmetry-preserving truncation are highlighted, notable amongst which are results for pseudoscalar mesons. We also describe inferences from the gap equation relating to the radius of convergence of a chiral expansion, applications to heavy-light and heavy-heavy mesons, and quantitative estimates of the contribution of quark orbital angular momentum in pseudoscalar mesons; and recapitulate upon studies of nucleon electromagnetic form factors.

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