On theoretical uncertainty of color dipole phenomenology in the J/Psi and Upsilon photoproduction in pA and AA collisions at the CERN Large Hadron Collider

Abstract

We investigate the theoretical uncertainty on the predictions for the photoproduction of J/psi and Upsilon states in the proton-nucleus and nucleus-nucleus collisions at the LHC within the color dipole formalism. Predictions for the rapidity distributions are presented and the dependence on the meson wavefunction, heavy quark mass as well as the models for the dipole cross section are analyzed. We compare directly the theoretical results to the recent data from ALICE collaboration on J/psi production in pPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV and in PbPb collisions at a centre-of-mass energy per nucleon pair of 2.76 TeV. Predictions are also performed for ${\rm Y}$ state in PbPb and pPb and pp collisions at the LHC energies, including the coherent and incoherent contributions.

08 pages, 06 figures. Final version to be published in J. Phys. G: Nucl. Part. Phys

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• The Color Glass Condensate
• Impact parameter dependent colour glass condensate dipole model
• Exclusive J/$\psi$ photoproduction off protons in ultra-peripheral p-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• J/Psi production in ultraperipheral Pb+Pb and p+Pb collisions at energies available at the CERN Large Hadron Collider
• Saturation QCD predictions with heavy quarks at HERA
• Exclusive vector meson production at high energies and gluon saturation
• Exclusive vector meson production at HERA from QCD with saturation
• Exclusive photoproduction at the Tevatron and LHC within the dipole picture
• Exclusive photoproduction of quarkonium in proton-nucleus collisions at energies available at the CERN Large Hadron Collider

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• Measurement of exclusive ${\rm Y}$ photoproduction from protons in pPb collisions at $\sqrt{s_{\mathrm{NN}}}=$ 5.02 TeV
• Coherent photoproduction of $J/\psi$ in nucleus-nucleus collisions in the color dipole approach
• Exclusive heavy vector meson photoproduction in hadronic collisions at the LHC: predictions of the Color Glass Condensate model for Run 2 energies
• Investigating the impact of the gluon saturation effects on the momentum transfer distributions for the exclusive vector meson photoproduction in hadronic collisions
• Photoproduction of Upsilon states in ultraperipheral collisions at the CERN Large Hadron Collider within the color dipole approach
• Incoherent diffractive photoproduction of $J/\psi$ and ${\rm Y}$ on heavy nuclei in the color dipole approach
• Heavy Mesons Photoproduction in Peripheral AA Collisions
• Parton saturation scaling function for exclusive production of vector mesons and Deeply Virtual Compton Scattering
• Global Bayesian Analysis of $\mathrm{J}/\psi$ Photoproduction on Proton and Lead Targets
• $J/\Psi$ Photoproduction in Peripheral AA Collisions
• Coherent and incoherent Upsilon production in ultraperipheral collisions at the Large Hadron Collider
• Coherent and incoherent production of vector mesons in ultraperipheral collisions of Xenon-ions within the QCD parton saturation approach
• Exclusive quarkonium photoproduction: predictions with the Balitsky-Kovchegov equation including the full impact-parameter dependence
• Testing the double-logarithm asymptotic gluon density in ultraperipheral heavy ion collisions at the Large Hadron Collider
• Elastic and inelastic $J/\psi$ photoproduction in $p$-$p$ collisions at LHC energies: the feature of Weizsäcker-Williams approximation