SOFT GLUON EFFECTS IN SUPERSYMMETRIC PARTICLE PRODUCTION AT THE LHC

被引：0

作者：

Kulesza, A. ^{[1
]}

Motyka, L. ^{[2
,3
]}

机构：

[1] Rhein Westfal TH Aachen, Inst Theoret Phys E, D-52056 Aachen, Germany

[2] Univ Hamburg, Inst Theoret Phys 2, D-22761 Hamburg, Germany

[3] Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland

来源：

ACTA PHYSICA POLONICA B | 2009年 / 40卷 / 07期

关键词：

RESUMMATION; QCD; SEARCH; SQUARK;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on recent results A. Kulesza, L. Motyka, Phys. Rev. Lett. 102, 111802 (2009) on soft gluon effects in the production of squark-antisquark and gluino-gluino pairs at the LHC. The soft gluon corrections are resummed at the next-to-leading logarithmic (NLL) accuracy and matched with the known next-to-leading (NLO) order estimates of the cross-sections. The one-loop soft anomalous dimension matrices controlling the colour evolution of the gluino pair production are presented. We show that the resummation of soft, gluon effects reduces substantially the theoretical uncertainty for gluino pair-production at the LHC.

引用

页码：1957 / 1966

页数：10

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