Next-to-leading order QCD corrections to one hadron-production in polarized pp collisions at RHIC

Details Next-to-leading order QCD corrections to one hadron-production in polarized pp collisions at RHIC Next-to-leading order QCD corrections to one hadron-production in polarized pp collisions at RHIC

2002-10-31

arxiv.org/abs/hep-ph/0210442v1

Phys.Rev. D67 (2003) 054004

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, RevTeX4, 9 figures included

Scientific paper

10.1103/PhysRevD.67.054004

We calculate the next-to-leading order QCD corrections to the spin-dependent cross section for single-inclusive hadron production in hadronic collisions. This process will be soon studied experimentally at RHIC, providing a tool to unveil the polarized gluon distribution $\Delta g$. We observe a considerably improvement in the perturbative stability for both unpolarized and polarized cross sections. The NLO corrections are found to be non-trivial, resulting in a reduction of the asymmetry.

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