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arxiv: 1710.10070 · v1 · pith:VVBJ7ZDTnew · submitted 2017-10-27 · ✦ hep-ph · hep-ex· nucl-ex· nucl-th

Color dipole predictions for the exclusive vector meson photoproduction in pp/pPb/PbPb collisions at Run 2 LHC energies

classification ✦ hep-ph hep-exnucl-exnucl-th
keywords colordipoleexclusivemesonpredictionsvectorcollisionsenergies
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In this paper we present a comprehensive analysis of exclusive vector meson photoproduction in $pp$, $pPb$ and $PbPb$ collisions at Run 2 LHC energies using the Color Dipole formalism. The rapidity distributions and total cross sections for the $\rho$, $\phi$, $J/\Psi$, $\Psi (2S)$ and $\Upsilon$ production are estimated considering the more recent phenomenological models for the dipole - proton scattering amplitude, which are based on the Color Glass Condensate formalism and are able to describe the inclusive and exclusive $ep$ HERA data. Moreover, we also discuss the impact of the modelling of the vector meson wave functions on the predictions. The current theoretical uncertainty in the Color Dipole predictions is estimated and a comparison with the experimental results is performed.

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    Color dipole calculations of the ratio of exclusive vector meson to inclusive jet/hadron photoproduction cross sections in UPC pA and AA collisions at LHC Run 4, including the double ratio R_UPC proposed for saturatio...