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.
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页数：25
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