论文标题
任何无质量最终状态的NNLO减法：完整的分析表达式
NNLO subtraction for any massless final state: a complete analytic expression
论文作者
论文摘要
我们使用局部分析部门减法方案来构建一组完全分析的表达式，该表在NNLO上实施了全局部红外缩写，以构建通用有色无质量最终状态的表达式。明确验证了双虚拟贡献中出现的所有显式红外极点的取消，并在综合的本地红外反反处理中取消，并明确验证了综合局部反对的所有有限贡献。所得的减法公式可以轻松地在包含nnlo的相关矩阵元素的任何数值框架中实现。
We use the Local Analytic Sector Subtraction scheme to construct a completely analytic set of expressions implementing a fully local infrared subtraction at NNLO for generic coloured massless final states. The cancellation of all explicit infrared poles appearing in the double-virtual contribution, in the real-virtual correction and in the integrated local infrared counterterms is explicitly verified, and all finite contributions arising from integrated local counterterms are analytically evaluated in terms of ordinary polylogarithms up to weight three. The resulting subtraction formula can readily be implemented in any numerical framework containing the relevant matrix elements up to NNLO.
