Transverse Single Spin Asymmetry in $p+p^{\uparrow }\to J/\psi +X$

Abstract

We present estimates of transverse single spin asymmetry (TSSA) in $p+p^{\uparrow }\to J/\psi +X$ within the colour evaporation model of charmonium production in a generalized parton model (GPM) framework, using the recently obtained best fit parameters for the gluon Sivers function (GSF) extracted from PHENIX data on TSSA in $p+p^{\uparrow }\to {\pi }^0+X$ at midrapidity. We calculate asymmetry at $\sqrt{s}=200$ GeV, and compare the results with PHENIX data on TSSA in the process $p+p^{\uparrow }\to J/\psi +X$. We also present estimates for asymmetry at $\sqrt{s}=115$ GeV corresponding to the proposed fixed target experiment AFTER@LHC and at $\sqrt{s}=500$ GeV corresponding to the higher RHIC energy. Finally, we investigate the effect of the transverse momentum dependent (TMD) evolution of the densities involved, on the asymmetry.

arXiv comment24 pages, 9 figures

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Cited by in corpus (13)

• Transverse-momentum-dependent gluon distribution functions in a spectator model
• Proper TMD factorization for quarkonia production: $pp\to {\eta }_{c,b}$ as a study case
• Unraveling the Gluon Sivers Function in Hadronic Collisions at RHIC
• Studies of gluon TMDs and their evolution using quarkonium-pair production at the LHC
• Conceptual design of the Spin Physics Detector
• Process dependence of the gluon Sivers function in $p^{\uparrow }p\to J/\psi +X$ within a TMD approach in NRQCD
• Single-spin asymmetry of $J/\psi$ production in $p$$+$$p$, $p$$+$Al, and $p$$+$Au collisions with transversely polarized proton beams at $\sqrt{s_{{}_{NN}}}=200$ GeV
• Prospects for quarkonium studies at the high-luminosity LHC
• Probing the Gluon Sivers Function through direct photon production at RHIC
• Estimates for the single-spin asymmetries in $p^{\uparrow }p\to J/\psi X$ process at PHENIX RHIC and SPD NICA
• Investigating the Transverse Single Spin Asymmetry in the Inelastic $J/\Psi$ photoproduction in $p^{\uparrow }p$ and $p^{\uparrow }A$ collisions
• Heavy Flavour production as probe of Gluon Sivers Function
• Gluon Sivers function and transverse single spin asymmetries in $e+p^{\uparrow }\to \gamma +X$