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

被引：5
作者：
Hendlmeier, C. [1 ]
Schaefer, A. [1 ]
Stratmann, M. [2 ]
机构：
[1] Univ Regensburg, Inst Theoret Phys, D-93053 Regensburg, Germany
[2] RIKEN, Radiat Lab, Saitama 3510198, Japan
来源：
EUROPEAN PHYSICAL JOURNAL C | 2008年 / 55卷 / 04期
关键词：
D O I：
10.1140/epjc/s10052-008-0626-2
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
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.
引用
收藏
页码：597 / 605
页数：9
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