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Sullivan process near threshold and the pion gravitational form factors
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Sullivan process near threshold and the pion gravitational form factors
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We propose a novel method to experimentally access the gravitational form factors (GFFs) of the charged pion $\pi^+$ through the Sullivan process in electron-proton scattering. We demonstrate that the cross sections of $J/\psi$-photoproduction and $\phi$-electroproduction near the respective thresholds are dominated by the gluon GFF of the pion to next-to-leading order in perturbative QCD. We predict cross sections for the Electron-Ion Collider and the Jefferson Lab experiments.
Forward citations
Cited by 2 Pith papers
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Particle seismology: mechanical and gravitational properties from parton-hadron duality
A hadronic approach based on dispersion relations and meson dominance achieves a successful description of lattice QCD data for gravitational form factors of pions and nucleons.
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