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arxiv: hep-ph/0210442 · v1 · submitted 2002-10-31 · ✦ hep-ph

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

Daniel de Florian
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classification ✦ hep-ph
keywords correctionspolarizedcollisionscrossnext-to-leadingorderrhicasymmetry
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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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