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Sivers effect and transverse single spin asymmetry in e+p(up arrow) -> e+J/psi+X

Godbole, Rohini M and Misra, Anuradha and Mukherjee, Asmita and Rawoot, Vaibhav S (2012) Sivers effect and transverse single spin asymmetry in e+p(up arrow) -> e+J/psi+X. In: Physical Review D, 85 (9).

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Official URL: http://prd.aps.org/abstract/PRD/v85/i9/e094013

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.

Item Type: Journal Article
Additional Information: Copyright of this article is belongs to The American Physical Society.
Department/Centre: Division of Physical & Mathematical Sciences > Centre for High Energy Physics
Date Deposited: 21 Jul 2012 10:37
Last Modified: 23 Jul 2012 10:37
URI: http://eprints.iisc.ernet.in/id/eprint/44655

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