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$J/\psi$ Photoproduction and the Gluon Structure of the Nucleon

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arxiv hep-ph/9901375 v1 pith:SR5ZZVET submitted 1999-01-21 hep-ph

D. Kharzeev , H. Satz , A. Syamtomov , G. Zinovjev This is my paper · ORCID
classification hep-ph
keywords gluoncrossdistributionnucleonphotoproductionsectionbehaviourcalculate
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abstract

Using short distance QCD methods based on the operator product expansion, we calculate the $J/\psi$ photoproduction cross section in terms of the gluon distribution function of the nucleon. Comparing the result with data, we show that experimental behaviour of the cross section correctly reflects the $x$-dependence of the gluon distribution obtained from deep inelastic scattering.

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Forward citations

Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Gluon Unpolarized, Polarized, and Transversity GPDs from Lattice QCD: Lorentz-Covariant Parametrization (Part I)

    hep-lat 2024-12 conditional novelty 7.0 of 10

    A Lorentz-covariant tensor basis and projection set is constructed that isolates all eight leading-twist gluon GPDs from lattice QCD matrix elements for spin-0 and spin-1/2 hadrons.

  2. Experimental access to the gluonic origin of the proton mass

    hep-ph 2026-07 conditional novelty 6.0 of 10

    The scalar gluonic trace form factor of the proton can be reconstructed from DVCS quark GFFs, near-threshold J/ψ gluon GFFs, and the nucleon sigma-term form factor.

  3. Near-Threshold OPE Constraints and High-Energy Diffractive Dynamics in J/psi Photoproduction

    hep-ph 2026-04 unverdicted novelty 5.0 of 10

    Near-threshold J/psi photoproduction data are compatible with the OPE energy dependence, but cannot distinguish target-mass-corrected from uncorrected predictions or locate the transition to high-energy diffraction.

  4. Bayesian Inferring Nucleon's Gravitation Form Factors via Near-threshold $J/\psi$ Photoproduction

    hep-ph 2025-01 conditional novelty 5.0 of 10

    A Bayesian NLO analysis of near-threshold J/psi photoproduction data, combined with lattice QCD, finds compatible proton gravitational form factors and prefers negative C_q and C_g.

  5. Light-front transverse profiles of scalar and spin-two chromoelectric EMT responses in near-threshold charmonium probes

    hep-ph 2026-06 conditional novelty 4.0 of 10

    Scalar and spin-two chromoelectric EMT responses of the proton admit distinct light-front transverse profiles whose integrated ratio recovers the forward threshold strength ~0.15 while finite-b behavior tracks relativ...

  6. Scalar and spin-two energy-momentum-tensor structure in near-threshold charmonium probes of the proton

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Near-threshold charmonium chromoelectric scattering separates into a scalar anomaly channel and a traceless spin-two channel fixed by Ag(0) forward and by a specific GFF combination off forward, without a boost-enhanc...

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