论文标题
局部有限的双环QCD振幅来自IR普遍性的Electroweak生产
Locally finite two-loop QCD amplitudes from IR universality for electroweak production
论文作者
论文摘要
我们描述了对QCD校正的红外减法的实施，以对Quark-Antiquark and灭Electroweak最终状态。减法被称为已知积分的形式因素积分。由此产生的减法幅度可与有效的数值整合。我们的过程基于红外奇异性的普遍性，需要相对有限的减法集，其数量随着两循环图的数量而而不是集成奇异区域的数量。
We describe the implementation of infrared subtractions for two-loop QCD corrections to quark-antiquark annihilation to electroweak final states. The subtractions are given as form-factor integrands whose integrals are known. The resulting subtracted amplitudes are amenable to efficient numerical integration. Our procedure is based on the universality of infrared singularities and requires a relatively limited set of subtractions, whose number grows as the number of two-loop diagrams, rather than with the number of singular regions of integration.
