Next-to-leading order QCD corrections to spin-dependent hadron-pair photoproduction

被引:0
|
作者
C. Hendlmeier
A. Schäfer
M. Stratmann
机构
[1] Universität Regensburg,Institut für Theoretische Physik
[2] RIKEN,Radiation Laboratory
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关键词
Transverse Momentum; Fragmentation Function; Lead Order; Direct Part; Gluon Polarization;
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摘要
We compute the next-to-leading order QCD corrections to the “direct” part of the spin-dependent cross section for hadron-pair photoproduction. The calculation is performed using largely analytical methods. We present a brief phenomenological study of our results, focusing on the K-factors and scale dependence of the next-to-leading order cross sections. This process is relevant for the extraction of the gluon polarization in present and future spin-dependent lepton–nucleon scattering experiments.
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页码:597 / 605
页数:8
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