Near Threshold Heavy Quarkonium Photoproduction at Large Momentum Transfer

Abstract

Perturbative QCD is applied to investigate the near threshold heavy quarkonium photoproduction at large momentum transfer. We take into account the contributions from the leading three-quark Fock states of the nucleon. The dominant contribution comes from the three-quark Fock state with one unit quark orbital angular momentum (OAM) whereas that from zero quark OAM is suppressed at the threshold. From our analysis, we also show that there is no direct connection between the near threshold heavy quarkonium photoproduction and the gluonic gravitational form factors of the nucleon. Based on the comparison between our result and recent GlueX data of $J/\psi$ photoproduction, we make predictions for ${\psi }^{\prime }$ and ${\rm Y}$ (1S,2S) states which can be tested in future experiments.

14 pages, 7 figures. arXiv admin note: text overlap with arXiv:2103.12047

References in corpus (23)

• Electron-Ion Collider in China
• Nucleon Form Factors in QCD
• The mass radius of the proton
• QCD Analysis of Near-Threshold Photon-Proton Production of Heavy Quarkonium
• Deciphering the mechanism of near-threshold $J/\psi$ photoproduction
• Nucleon mass radii and distribution: Holographic QCD, Lattice QCD and GlueX data
• Light-cone distribution amplitudes of octet baryons from lattice QCD
• Baryon Operators of Higher Twist in QCD and Nucleon Distribution Amplitudes
• Accessing the real part of the forward $J/\psi$-p scattering amplitude from $J/\psi$ photo-production on protons around threshold
• Perturbative QCD Analysis of Near Threshold Heavy Quarkonium Photoproduction at Large Momentum Transfer
• Light-cone Distribution Amplitudes of the Nucleon and Negative Parity Nucleon Resonances from Lattice QCD
• A QCD analysis of near-threshold quarkonium leptoproduction at large photon virtualities
• Gluon Gravitational Form Factors at Large Momentum Transfer
• Nucleon distribution amplitudes from lattice QCD
• Extraction of the proton mass radius from the vector meson photoproductions near thresholds
• The Nucleon Distribution Amplitudes and their application to nucleon form factors and the $N\to \Delta$ transition at intermediate values of $Q^2$
• ${\rm Y}$ photo-production on the proton at the Electron-Ion Collider
• $\varphi$-meson lepto-production near threshold and the strangeness $D$-term
• Parton distribution function for the gluon condensate
• Exclusive heavy vector meson electroproduction to NLO in collinear factorisation
• Nucleon Form Factors to Next-to-Leading Order with Light-Cone Sum Rules
• Electroproduction of heavy vector mesons using holographic QCD: from near threshold to high energy regimes
• Near-threshold photoproduction of $J/\psi$ in two-gluon exchange model

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• Perturbative Calculations of Gravitational Form Factors at Large Momentum Transfer
• Hadron and light nucleus radii from electron scattering
• Photo- and electro-production of narrow exotic states: from light quarks to charm and up to bottom
• Photoproduction of fully charmed tetraquark at electron-ion colliders
• Gravitational form factors of the proton from near-threshold vector meson photoproduction
• Gluon gravitational form factors of protons from charmonium photoproduction
• Threshold photoproduction of ${\eta }_c$ and ${\eta }_b$ using holographic QCD
• Photo-production of ${\eta }_{c,b}$ near Threshold
• Exclusive Charmonium Production at the Electron-ion collider in China
• Nuclear deformation effects in photoproduction of $\rho$ mesons in ultraperipheral isobaric collisions
• Perturbative QCD Prediction of the Hyperon EDM from CP-violating Dipole Interactions