Mind the gap

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.

7 pages, 3 figures. Contribution to Proceedings of 4th International Conference on Quarks and Nuclear Physics (QNP06), Madrid, Spain, 5-10 Jun 2006

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• The Cosmological Parameters 2006
• Big-Bang nucleosynthesis (Particle Data Group mini-review)
• Electromagnetic Meson Production in the Nucleon Resonance Region
• Pseudoscalar Meson Radial Excitations
• Electromagnetic properties of ground and excited state pseudoscalar mesons
• The SAMPLE Experiment and Weak Nucleon Structure
• Dynamic Properties of Charmonium
• Sigma Terms of Light-Quark Hadrons
• On Nucleon Electromagnetic Form Factors
• Space-like and time-like pion electromagnetic form factor and Fock state components within the Light-Front dynamics
• The decay constant of the first excited pion from lattice QCD
• Pseudoscalar and vector mesons as q\bar{q} bound states
• On Nucleon Electromagnetic Form Factors: A Pre'cis
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Cited by in corpus (42)

• Collective perspective on advances in Dyson-Schwinger Equation QCD
• Explanation and Prediction of Observables using Continuum Strong QCD
• Interaction model for the gap equation
• Hadron Properties and Dyson-Schwinger Equations
• Pion electromagnetic form factor at spacelike momenta
• Vector meson form factors and their quark-mass dependence
• Survey of nucleon electromagnetic form factors
• Masses of ground and excited-state hadrons
• Spectrum of hadrons with strangeness
• Survey of J=0,1 mesons in a Bethe-Salpeter approach
• Masses of Light and Heavy Mesons and Baryons: A Unified Picture
• Leading-twist parton distribution amplitudes of S-wave heavy-quarkonia
• Ward-Green-Takahashi identities and the axial-vector vertex
• Flavour symmetry breaking and meson masses
• Parton distribution amplitudes of light vector mesons
• Chiral susceptibility and the scalar Ward identity
• Mass-dependence of pseudoscalar meson elastic form factors
• B- to light-meson transition form factors
• Elastic electromagnetic form factors of vector mesons
• Poincaré-covariant analysis of heavy-quark baryons
• Chemical potential and the gap equation
• Expanding the concept of in-hadron condensates
• Charmonia in a Contact Interaction
• A covariant view on the nucleons' quark core
• Strong D* -> D+pi and B* -> B+pi couplings
• Higgs modulation of emergent mass as revealed in kaon and pion parton distributions
• ${\eta }_c$ Elastic and Transition Form Factors: Contact Interaction and Algebraic Model
• Heavy quarkonia in a contact interaction and an algebraic model: mass spectrum, decay constants, charge radii and elastic and transition form factors
• Effects of a dressed quark-gluon vertex in vector heavy-light mesons and theory average of B(c)* meson mass
• Exploring the light-quark interaction
• Effects of a dressed quark-gluon vertex in pseudoscalar heavy-light mesons
• Pseudo-scalar mesons: light front wave functions, GPDs and PDFs
• Leading-twist distribution amplitudes of scalar- and vector-mesons
• Electric dipole moment of the rho-meson
• Light-quarkonium spectra and orbital-angular-momentum decomposition in a Bethe-Salpeter-equation approach
• Leptonic decays of D-wave vector quarkonia
• Exposing the effect of $p$-wave in pion triplet under the strong magnetic field
• Hadron Structure using Continuum Schwinger Function Methods
• Charming quasi-exotic open-flavor mesons
• Quasi-exotic open-flavor mesons
• Partial wave analysis for the in-hadron condensate
• S- and D-wave vector charmonia