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

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

2003-04-28

arxiv.org/abs/nucl-th/0304083v1

Heavy Ion Phys.21:125-130,2004

Physics

Nuclear Physics

Nuclear Theory

6 pages, 1 figure, uses breckenridge.sty. Contributed to 19th Winter Workshop on Nuclear Dynamics, Breckenridge, Colorado, 9-1

Scientific paper

10.1556/APH.21.2004.2-4.5

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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