RECURSIVE CALCULATION OF MULTI-GLUON ONE-LOOP AMPLITUDES

被引：0
|
作者：
van Hameren, A. [1 ]
机构：
[1] Polish Acad Sci, H Niewodniczanski Inst Nucl Phys, PL-31342 Krakow, Poland
来源：
ACTA PHYSICA POLONICA B | 2009年 / 40卷 / 11期
关键词：
FEYNMAN DIAGRAMS; SCALAR INTEGRALS; REDUCTION; COMPUTATION; UNITARITY;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An efficient numerical algorithm to evaluate one-loop amplitudes is presented. It expresses the amplitude in terms of universal tensor integrals and their process-dependent coefficients, both of which are calculated with recursive methods. 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
收藏
页码：3119 / 3125
页数：7
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