Pion production in d+Au collisions at RHIC energy

Details Pion production in d+Au collisions at RHIC energy Pion production in d+Au collisions at RHIC energy

2003-06-04

arxiv.org/abs/nucl-th/0306019v2

Eur.Phys.J.ST155:89-99,2008

Physics

Nuclear Physics

Nuclear Theory

Final version published in the Eur. Phys. J. ST in the Proceedings of the Zimanyi Memorial Workshop, 2-4 July, 2007, Budapest,

Scientific paper

10.1140/epjst/e2008-00592-3

We present our results on neutral pion pi0 production in pp and dAu collisions at RHIC energy. Pion spectra are calculated in a next-to-leading order (NLO) perturbative QCD-based model. The model includes the transverse component of the initial parton distribution (``intrinsic kT''). We compare our results to the available experimental data from RHIC, and fit the data with high precision. The calculation tuned this way is repeated for the dAu collision, and used to investigate the interplay of shadowing and multiple scattering at RHIC. The centrality dependence of the nuclear modification factor shows a measurable difference between different shadowing parameterizations.

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