标题： 标准模型中来源于守恒流的三圈红外反常维度 显示英文标题

标题： Infrared Anomalous Dimensions at Three-Loop in the SM from Conserved Currents

摘要： 我们研究了限制为第一代费米子的规范模型（SM）的红外结构，包括完整的SM规范群，直到三圈阶，并确定了理论中所有规范群和粒子的cusps奇异维数和collinear奇异维数。 我们观察到从三圈开始，所得出的cusps奇异维数包含了涉及两个不同耦合常数的项，这与文献中的先前说法相反。 我们详细解释了这一观察结果，并探讨了这些项的起源。 我们提供了一个补充文件，在其中收集了本工作中计算的所有红外奇异维数。 我们的结果在可以比较的地方与现有文献一致。 显示英文摘要

摘要： We study the infrared structure of the Standard Model (SM) restricted to the first generation of fermions, including the full SM gauge group, up to three-loop order, and determine the resulting cusp and collinear anomalous dimensions for all gauge groups and particles of the theory. We observe that starting from three loops, the resulting cusp anomalous dimensions include terms involving two distinct couplings, contrary to previous claims in the literature. We give a detailed explanation of this observation and explore the origin of these terms. We provide a supplementary file where all infrared anomalous dimensions calculated in this work are collected. Our results are consistent with the existing literature wherever comparisons are possible.