BRAHMS results in the context of saturation and quantum evolution

Details BRAHMS results in the context of saturation and quantum evolution BRAHMS results in the context of saturation and quantum evolution

2004-05-19

arxiv.org/abs/nucl-ex/0405018v1

Acta Phys.Hung. A24 (2005) 15-21

Physics

Nuclear Physics

Nuclear Experiment

7 pages, 3 figures to be published in the Proceedings of the 20th Winter Workshop on Nuclear Dynamics, Trelawny Beach, Jamaica

Scientific paper

10.1556/APH.24.2005.1-4.3

We report BRAHMS results from RHIC d+Au and p+p collisions at Sqrt(s_NN)=200GeV. A remarkable change in the nuclear modification factor RdAu is seen as the pseudorapidity of the detected charged hadrons changes from zero at mid-rapidity to 3.2 at the most forward angle studied during the 2003 run. For pseudorapidity eta>1 the suppression of the Rcp factor is more pronounced in the sample of central events in contrast to the behavior at mid-rapidity where the central events show higher enhancement compared to the semi-central sample. These results are consistent with a saturated Au wave function strongly affected by quantum evolution at higher values of rapidity.

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