Forward Heavy Quarkonium Productions at the LHC

Abstract

We investigate the low transverse momentum heavy quarkonium ($J/\psi$, ${\rm Y}$) productions in the forward rapidity region of $pp$ and $pA$ collisions at the LHC as an important probe to the transverse momentum tomography of the gluons in hadrons in the Color Glass Condensate (CGC) framework. By implementing the Sudakov resummation consistently in the CGC formalism, we achieve an excellent agreement between the improved CGC calculations and the LHC data. We show that both the small-$x$ and the Sudakov effects are essential for a complete description of heavy quarkonium productions in the low transverse momentum region. This provides a solid foundation to study the small-$x$ gluon saturation in a big nucleus with the future $pA$ programs at the LHC.

5 pages, 3 figures; some corrections

References in corpus (8)

• Quark contribution to the small-$x$ evolution of color dipole
• CGC predictions for p+Pb collisions at the LHC
• Comprehensive description of $J/\psi$ production in proton-proton collisions at collider energies
• Quark pair production in high energy pA collisions: General features
• Sudakov Resummation in Small-x Saturation Formalism
• Forward $J/\psi$ production in proton-nucleus collisions at high energy
• $J/\psi$ production and suppression in high energy proton-nucleus collisions
• Production of q bar-q Pairs in Proton-Nucleus Collisions at High Energies

Cited by in corpus (14)

• Event engineering studies for heavy flavor production and hadronization in high multiplicity hadron-hadron and hadron-nucleus collisions
• On the elliptic flow of heavy quarkonia in $pA$ collisions
• Heavy quarks in proton-nucleus collisions - the hybrid formalism
• Forward $J/\psi$ production at high energy: centrality dependence and mean transverse momentum
• $\psi (2S)$ versus $J/\psi$ suppression in proton-nucleus collisions from factorization violating soft color exchanges
• TMD gluon distributions at small x in the CGC theory
• $J/\psi$ polarization in the CGC+NRQCD approach
• The Collectivity of Heavy Mesons in Proton-Nucleus Collisions
• $J/\psi$ polarization in high multiplicity $pp$ and $pA$ collisions: CGC+NRQCD approach
• Quarkonium production in nuclear collisions
• The prompt $J/\psi$ production in Association with a $c\bar{c}$ Pair within the Framework of Non-relativistic QCD via photon-photon collision at the International Linear Collider
• Direct quarkonium-plus-gluon production in DIS in the Color Glass Condensate
• Quarkonium production at collider energies in Small-$x$ formalism
• Unified framework for heavy flavor and quarkonium production in high multiplicity p+p and p+A collisions at RHIC and LHC