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
来源：
The European Physical Journal C | 2008年 / 55卷
关键词：
Transverse Momentum; Fragmentation Function; Lead Order; Direct Part; Gluon Polarization;
D O I：
暂无
中图分类号：
学科分类号：
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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