论文标题
对称点味道singlet轴向轴向矢量电流在两个循环处的重新归一化
Symmetric point flavour singlet axial vector current renormalization at two loops
论文作者
论文摘要
我们将两个回路校正计算为夸克2分函数,并在修饰最小减法方案(MSBAR)方案中无数夸克的完全对称夸克处的风味单轴轴向矢量电流的非零动量插入。 Larin方法用于在此循环顺序下在维数正则化内处理$γ^5 $,以确保手性异常的效果正确地包括在施工中。
We calculate the two loop correction to the quark 2-point function with the non-zero momentum insertion of the flavour singlet axial vector current at the fully symmetric subtraction point for massless quarks in the modified minimal subtraction (MSbar) scheme. The Larin method is used to handle $γ^5$ within dimensional regularization at this loop order ensuring that the effect of the chiral anomaly is properly included within the construction.