Longitudinal dynamics for mesons on the light cone

Abstract

We survey a set of proposed light-front models for confinement in the valence quark sector of the mesons and portray similarities as well as differences. We present the spectroscopies for the light mesons that result from a selection of longitudinal confinement forms. We note that the Sturm-Liouville theory provides a unifying framework for many elements of this comparison.

18 pages, 6 figures. Published as Phys. Rev. D 105, 114006 (2022)

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• Chiral sum rule on the light front and the 3D image of the pion
• Relativistic dynamics of charmonia in strong magnetic fields
• Exclusive diffractive J/psi and Psi(2S) production in dipole model using a holographic AdS/QCD light front wavefunction with longitudinal confinement
• Anisotropic flow and the valence quark skeleton of hadrons