Spin effects in diffractive $ Q \bar Q$ production at BNL eRHIC

Details Spin effects in diffractive $ Q \bar Q$ production at BNL eRHIC Spin effects in diffractive $ Q \bar Q$ production at BNL eRHIC

2004-04-19

arxiv.org/abs/hep-ph/0404147v3

Phys.Rev. D70 (2004) 034011

Physics

High Energy Physics

High Energy Physics - Phenomenology

Some modifications of the text and graphs were done. Title is modified slightly. To be published in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.70.034011

We discuss quark-antiquark leptoproduction within a QCD two-gluon exchange model at small $x$. The double spin asymmetries for longitudinally polarized leptons and transversely polarized protons in diffractive $Q \bar Q$ production are analysed at eRHIC energies. The predicted $A_{lT}$ asymmetry is large and can be used to obtain information on the polarized generalized gluon distributions in the proton.

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