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

页码：597 / 605

页数：9

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