双圈六胶子全正螺旋度振幅
Two-Loop Six Gluon All-Plus Helicity Amplitude.
作者信息
Dunbar David C, Perkins Warren B
机构信息
College of Science, Swansea University, Swansea SA2 8PP, United Kingdom.
出版信息
Phys Rev Lett. 2016 Aug 5;117(6):061602. doi: 10.1103/PhysRevLett.117.061602. Epub 2016 Aug 4.
Abstract
We present an analytic expression for the six-point all-plus helicity amplitude in QCD at two loops. We compute the rational terms in a compact analytic form organized by their singularity structure.
摘要
我们给出了量子色动力学（QCD）中两圈六点全正螺旋度振幅的解析表达式。我们以一种紧凑的解析形式计算了由其奇点结构组织起来的有理项。
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