Consequences of Nuclear Shadowing for Heavy Quarkonium Production in Hadron-Nucleus Interactions

Details Consequences of Nuclear Shadowing for Heavy Quarkonium Production in Hadron-Nucleus Interactions Consequences of Nuclear Shadowing for Heavy Quarkonium Production in Hadron-Nucleus Interactions

1994-07-11

arxiv.org/abs/hep-ph/9407272v1

Phys.Rev.C51:2244-2247,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

LBL-35821 (Revtex file, 11 pages, 3 figures, included as postscript files at the end)

Scientific paper

10.1103/PhysRevC.51.2244

We study nuclear shadowing in $J/\psi$ and $\Upsilon$ production in hadron-nucleus interactions and in nucleus-nucleus collisions at the Relativistic Heavy Ion Collider and the Large Hadron Collider. %We define the regions in $x_f$ where nuclear shadowing begins %to set in for \jp\ and \up. As a consequence of the perturbative $Q^2$-dependence of gluon shadowing, we predict that $\Upsilon$ production is less suppressed than the $J/\psi$. We show that antishadowing leads to enhanced \jp\ production at $x_f \lesssim 0$, an effect reduced for $\Upsilon$ production.

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