Exclusive heavy vector meson photoproduction in hadronic collisions at the LHC: predictions of the Color Glass Condensate model for Run 2 energies

Abstract

In this letter we update our predictions for exclusive $J/\Psi$ and ${\rm Y}$ photoproduction in proton-proton and nucleus - nucleus collisions at the Run 2 LHC energies obtained with the color dipole formalism and considering the impact parameter Color Glass Condensate model (bCGC) for the forward dipole - target scattering amplitude. A comparison with the LHCb data on rapidity distributions and photon - hadron cross sections is presented. Our results demonstrate that the current data can be quite well described by the bCGC model, which takes into account nonlinear effects in the QCD dynamics and reproduces the very precise HERA data, without introducing any additional effect or free parameter.

arXiv comment5 pages, 4 figures, 1 table

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• Color dipole predictions for the exclusive vector meson photoproduction in $pp/pPb/PbPb$ collisions at Run 2 LHC energies
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• Mass spectrum and decay constants of radially excited vector mesons
• ${\eta }_c$ production in photon - induced interactions at the LHC
• Mapping the dominant regions of the phase space associated with $c\bar{c}$ production relevant for the Prompt Atmospheric Neutrino Flux
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• Inclusive heavy quark photoproduction in $pp$, $pPb$ and $PbPb$ collisions at Run 2 LHC energies
• Exclusive vector meson production with a leading neutron in photon - hadron interactions at hadronic colliders
• Exclusive vector meson photoproduction in fixed - target collisions at the LHC
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• Probing the BFKL dynamics in the Vector Meson Photoproduction at large -- $t$ in $pPb$ collisions at the CERN LHC
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• Single inclusive jet photoproduction at very forward rapidities in $pp$ and $pPb$ collisions at the LHC
• Probing Saturation Physics in the Real Compton Scattering at Ultraperipheral $pPb$ Collisions