Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2005-01-26
Physics
Nuclear Physics
Nuclear Experiment
5 pages, 4 eps figures. Uses espcrc2.sty. Submitted talk presented at the International Workshop on Diffraction in High-Energy
Scientific paper
Measurements are reported of the production of high energy pi^0 mesons at large pseudorapidity, coincident with charged hadrons at mid-rapidity, for proton+proton and deuteron+gold collisions at sqrt{s_{NN}}=200 GeV. The p+p cross section for inclusive pi^0 production follows expectations from next-to-leading order perturbative QCD. A suppression of the back-to-back azimuthal correlations was observed in d+Au, qualitatively consistent with the gluon saturation picture. Experimental uncertainties regarding the inclusive measurement are discussed.
for the STAR Collaboration
Rakness G.
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