Lattice fits to gluon gravitational form factors support the sigma meson as dilaton with new predictions for rho and delta, reinforcing evidence for scale symmetry in low-energy QCD.
Gravitational form factors of pions, kaons and nucleons from dispersion relations
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Pion valence quark PDFs from the light-cone quark model are evolved with DGLAP and shown to match experimental data, enabling first NLO F2 predictions and Drell-Yan cross-section estimates.
Hadronic form factors violate QCD dispersion relations due to incomplete time-like spectral data above the last known resonance, which radial Regge trajectories can fill as a minimal ansatz, shown for the pion form factor.
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Gluon Gravitational $ D$-Form Factor: The $\sigma$-Meson as a Dilaton Confronted with Lattice Data II
Lattice fits to gluon gravitational form factors support the sigma meson as dilaton with new predictions for rho and delta, reinforcing evidence for scale symmetry in low-energy QCD.
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Pion Parton Distribution Functions in the Light-Cone Quark Model and Experimental Constraints
Pion valence quark PDFs from the light-cone quark model are evolved with DGLAP and shown to match experimental data, enabling first NLO F2 predictions and Drell-Yan cross-section estimates.
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Hadronic form factors in QCD and the incompleteness problem in the time-like region
Hadronic form factors violate QCD dispersion relations due to incomplete time-like spectral data above the last known resonance, which radial Regge trajectories can fill as a minimal ansatz, shown for the pion form factor.