Cronin Effect and High-p_T Suppression in pA Collisions

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Abstract
We review the predictions of the theory of Color Glass Condensate for gluon production cross section in p(d)A collisions. We demonstrate that at moderate energies, when the gluon production cross section can be calculated in the framework of McLerran-Venugopalan model, it has only partonic level Cronin effect in it. At higher energies/rapidities corresponding to smaller values of Bjorken x quantum evolution becomes important. The effect of quantum evolution is to introduce suppression of gluons produced at high-p_T without removing the Cronin effect.

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