Incoherent vector mesons production in PbPb ultraperipheral collisions at the LHC

TL;DR

This paper calculates incoherent vector meson production in PbPb ultraperipheral collisions at the LHC using the dipole model with updated parameters, providing predictions that better match experimental data.

Contribution

It introduces improved predictions for incoherent vector meson rapidity distributions using the IIM dipole model fitted with newer data and different wave functions.

Findings

Closer predictions for J/ψ rapidity distributions than previous models

Successful application of the IIM model with updated data

Comparison with experimental data shows improved accuracy

Abstract

Incoherent rapidity distributions of vector mesons are computed in dipole model in PbPb ultraperipheral collisions at the CERN Large Hadron Collider (LHC). The IIM model fitted from newer data is employed in the dipole amplitude. The Boosted Gaussian and Gaus-LC wave functions for vector mesons are implemented in the calculation as well. Predictions for the $J/\psi$, $\psi(2s)$, $\rho$ and $\phi$ incoherent rapidity distributions are evaluated and compared with experimental data and other theoretical predictions in this paper. We obtain closer predictions of the incoherent rapidity distributions for $J/\psi$ than previous calculations in the IIM model.