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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

J/psi Photoproduction and the Gluon Structure of the Nucleon

D. Kharzeev , H. Satz , A. Syamtomov , G. Zinovjev This is my paper
classification hep-ph
keywords gluoncrossdistributionnucleonphotoproductionsectionbehaviourcalculate
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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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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Cited by 4 Pith papers

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

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

    hep-ph 2026-07 conditional novelty 6.0

    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.

  2. 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

    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...

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

    hep-ph 2026-06 unverdicted novelty 4.0

    Light-front reformulation of trace-anomaly and gluon EMT terms in quarkonium scattering that reproduces the QCD mass decomposition result without boost artifacts and reinterprets the scalar radius as a transverse density.

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

    hep-ph 2026-06 conditional novelty 3.5

    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...