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Mind the gap

M. S. Bhagwat·A. Krassnigg·P. Maris·C. D. Roberts
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Abstract

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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M. S. Bhagwat, A. Krassnigg, P. Maris, C. D. Roberts. 2006-12-06. Mind the gap. https://doi.org/10.1140/epja%2Fi2006-10271-9

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