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

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

1998-09-29

arxiv.org/abs/hep-ph/9809577v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 3 pages, 2 figures, uses sprocl.sty. Talk at SPIN98 symposium, September 8-12, Protvino, Russia

Scientific paper

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 $J/\Psi$ 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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