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Spin Effects In Diffractive $J/Ψ$ And $Q \Bar Q$ Leptoproduction

S. V. Goloskokov
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Abstract

We study the dependencies of spin asymmetries in diffractive leptoproduction on the spin structure of the pomeron coupling. It is shown that the $A_{ll}$ asymmetry in diffractive processes is proportional to the fraction of the initial proton momentum $x_p$ carried off by the pomeron. The resulting asymmetries decrease with increasing energy for diffractive $J/Ψ$ production and are energy independent for diffractive $Q \bar Q$ leptoproduction. The connection of these asymmetries with the non-forward gluon distribution in the proton is discussed.

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S. V. Goloskokov. 1998-09-29. Spin Effects In Diffractive $J/Ψ$ And $Q \Bar Q$ Leptoproduction. https://arxiv.org/abs/hep-ph/9809577

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