Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2006-08-18
AIPConf.Proc.870:428-431,2006
Physics
High Energy Physics
High Energy Physics - Experiment
4 pages, 1 figure, to be published in the Proceedings of the 9th Conference on the Intersections of Particle and Nuclear Physi
Scientific paper
10.1063/1.2402669
The STAR experiment at RHIC has measured a variety of inclusive hadron cross sections in $p+p$ collisions at Sqrt(s) = 200 GeV. Measurements of the differential cross section for inclusive charged pion production at mid rapidity and for inclusive neutral pion production at forward rapidity (3.0 < eta < 4.2) as well as the first preliminary result from STAR for the differential cross section for inclusive neutral pion production near mid rapidity are presented. These cross sections are compared to next-to-leading order perturbative QCD calculations and can provide constraints on the pion fragmentation functions. Good agreement between data and pQCD has been found for all three cross sections.
for the STAR Collaboration
Simon Frank
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