Multi-gluon one-loop amplitudes using tensor integrals

被引：28

作者：

van Hameren, A. ^{[1
]}

机构：

[1] Polish Acad Sci, H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 07期

关键词：

NLO Computations; QCD; FEYNMAN DIAGRAMS; SCALAR INTEGRALS; REDUCTION; COMPUTATION; UNITARITY;

D O I：

10.1088/1126-6708/2009/07/088

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：

An efficient numerical algorithm to evaluate one-loop amplitudes using tensor integrals is presented. In particular, it is shown by explicit calculations that for ordered QCD amplitudes with a number of external legs up to 10, its performance is competitive with other methods.

引用

页数：25

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