Gluon Sivers Function and Single Spin Asymmetry in $e+p^\uparrow \rightarrow e+J/\psi + X$

Anuradha Misra; Asmita Mukherjee; Rohini M. Godbole; Vaibhav S. Rawoot

arxiv: 1210.1046 · v1 · pith:ZNFO6SYOnew · submitted 2012-10-03 · ✦ hep-ph · hep-ex

Gluon Sivers Function and Single Spin Asymmetry in e+p^uparrow rightarrow e+J/psi + X

Rohini M. Godbole , Anuradha Misra , Asmita Mukherjee , Vaibhav S. Rawoot This is my paper

classification ✦ hep-ph hep-ex

keywords asymmetryfunctiongluonsiverscharmoniumproductionsinglespin

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We propose measurement of transverse single spin asymmetry (SSA) in charmonium production as a probe of gluon Sivers function. We estimate SSA in low virtuality electroproduction of $J/\psi $ using color evaporation model of charmonium production and existing models of the gluon Sivers function and find sizable asymmetry at JLab, HERMES, COMPASS and eRHIC energies.

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Gluon Sivers Function and Single Spin Asymmetry in e+p^uparrow rightarrow e+J/psi + X

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