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An interpretation of saturation phenomena as Glauber-Gribov multiple parton scatterings

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Type
Published Article
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Submission Date
Identifiers
DOI: 10.1556/APH.21.2004.2-4.5
arXiv ID: nucl-th/0304083
Source
arXiv
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Unknown
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Abstract

We compare two formalism that describe minijet production in pA and AA collisions: pQCD supplemented by Glauber-Gribov multiple semihard parton scatterings (pQCD+Glauber), and the Colour Glass Condensate (CGC). We argue that in a suitable limit they are equivalent to each other, the PQCD+Glauber model being more accurate from a numerical point of view. Finally, we analyze RHIC data on Au-Au integrated charged multiplicities in the pQCD+Glauber framework, and conclude that at least at central rapidity there is no sign of gluon saturation.

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