A simple model for the nuclear unintegrated gluon distribution

Details A simple model for the nuclear unintegrated gluon distribution A simple model for the nuclear unintegrated gluon distribution

2009-06-30

arxiv.org/abs/0906.5593v2

Eur.Phys.J.C65:427-431,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, one figure.Version to be published in European Physical Journal C

Scientific paper

10.1140/epjc/s10052-009-1212-y

The solution of non-linear evolution equations for dense nuclear gluon density has been suggested as one of the relevant mechanisms of pA and AA collisions at collider energies. Here we study a simple parameterization for the unintegrated gluon distribution using the knowledge of asymptotic solutions of the Balitsky-Kovchegov equation, describing high-energy QCD in the presence of saturation effects. A satisfactory description of nuclear shadowing at small-x is obtained and it allows us to understand the qualitative behavior shown by data.

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