论文标题
两环混合QCD-EW校正中性电流drell-yan
Two-loop mixed QCD-EW corrections to neutral current Drell-Yan
论文作者
论文摘要
我们介绍了中性电流元素产量的混合QCD-EW两环虚拟振幅,这是对NNLO混合QCD-EW校正的完整计算的瓶颈之一。我们介绍了计算细节和自动化的第一步。我们使用分析和半分析方法,通用红外奇点的减法来描述所有相关的两环feynman积分的评估,并提出对剩余剩余的数值评估。
We present the mixed QCD-EW two-loop virtual amplitudes for the neutral current Drell-Yan production, one of the bottlenecks for the complete calculation of the NNLO mixed QCD-EW corrections. We present the computational details and the first steps towards their automation. We describe the evaluation of all the relevant two-loop Feynman integrals using analytical and semi-analytical methods, the subtraction of the universal infrared singularities and present the numerical evaluation of the finite remainder.