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

Abstract

We discuss the possibility of using electroproduction of $J/\psi$ as a probe of gluon Sivers function by measuring single spin asymmetry (SSA) in experiments with transversely polarized protons and electron beams. We estimate SSA for JLab, HERMES, COMPASS and eRHIC energies using the color evaporation model of charmonium production and find asymmetry up to 25% for certain choices of model parameters which have been used earlier for estimating SSA in the SIDIS and Drell-Yan processes.

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Cited by in corpus (34)

• New Observables in Inclusive Production of Quarkonia
• Polarized gluon studies with charmonium and bottomonium at LHCb and AFTER
• Probing the gluon Sivers function in $p^{\uparrow }p\to J/\psi X$ and $p^{\uparrow }p\to DX$
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• Studies of gluon TMDs and their evolution using quarkonium-pair production at the LHC
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• Transverse Single Spin Asymmetry in $e+p^{\uparrow }\to e+J/\psi +X$ and $Q^2$ -evolution of Sivers Function-II
• Probing Transverse Momentum Dependent Parton Distributions in Charmonium and Bottomonium Production
• Transverse momentum dependent shape function for $J/\psi$ production in SIDIS
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• Heavy Flavour production as probe of Gluon Sivers Function
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• Transverse Single Spin Asymmetries and Charmonium Production
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• Sivers Asymmetry in $e+p^{\uparrow }\to e+J/\psi +X$
• Single Spin Asymmetry in Charmonium Production