Probing the BFKL dynamics in the Vector Meson Photoproduction at large -- $t$ in $pPb$ collisions at the CERN LHC

TL;DR

This paper investigates vector meson photoproduction in pPb collisions at the LHC, focusing on large momentum transfer and BFKL dynamics, predicting significant cross section enhancements and feasibility for experimental probing.

Contribution

It introduces a detailed analysis of BFKL dynamics in vector meson photoproduction at large t, providing predictions for cross sections and experimental feasibility at the LHC.

Findings

BFKL dynamics significantly enhance cross sections at large t.

Predicted cross sections are within experimental detection range.

Results suggest feasible experimental probing of BFKL effects.

Abstract

The photoproduction of vector mesons in $pPb$ collisions at LHC energies is investigated assuming that the color singlet $t$-channel exchange carries a large momentum transfer $t$. The rapidity distributions and total cross sections for the process $Pb \, p \rightarrow Pb \otimes V \otimes \,jet + X$, with $V = \rho, \, J/\Psi$ and $\otimes$ representing a rapidity gap in the final state, are estimated considering the non-forward solution of the BFKL equation at high energy and large -- $t$. A comparison with the predictions obtained at the Born level also is presented. We predict a large enhancement of the cross sections associated to the BFKL dynamics in the kinematical range probed by the LHCb Collaboration. Moreover, our results indicate that the experimental identification can be feasible at the LHC and that this process can be used to probe the BFKL dynamics.