Next-to-leading order QCD corrections to hadron plus jet production in pp collisions at RHIC

被引：12

作者：

de Florian, Daniel ^{[1
]}

机构：

[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, RA-1428 Buenos Aires, Argentina

来源：

PHYSICAL REVIEW D | 2009年 / 79卷 / 11期

关键词：

CROSS-SECTIONS; PARTON DISTRIBUTIONS;

D O I：

10.1103/PhysRevD.79.114014

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We compute the next-to-leading order (NLO) QCD corrections to the spin-independent and spin-dependent cross sections for the production of a single-hadron accompanied by an opposite jet in hadronic collisions. This process is being studied experimentally at RHIC, providing a new tool to unveil the polarized gluon distribution Delta g. We perform a detailed analysis of the phenomenological impact of the observable at NLO accuracy and show that the preliminary data by the STAR collaboration confirms the idea of a small gluon polarization in the 0.05 less than or similar to x less than or similar to 0.3 range.

引用

页数：9

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