Wilson expansion for correlators of vector currents at the two-loop level: Dimension-four operators

KG Chetyrkin, SG Gorishny, VP Spiridonov - Physics Letters B, 1985 - Elsevier
KG Chetyrkin, SG Gorishny, VP Spiridonov
Physics Letters B, 1985Elsevier
We calculate two-loop coefficient functions of the operators G μvaG μva, m Ψ Ψ and m4 in
the short-distance expansion for the T-product of two (pseudo) vector currents. The
corrections are found to be relatively small, which indicates a good convergence of the
corresponding perturbative series.
We calculate two-loop coefficient functions of the operators G μvaG μva, m Ψ Ψ and m4 in the short-distance expansion for the T-product of two (pseudo)vector currents. The corrections are found to be relatively small, which indicates a good convergence of the corresponding perturbative series.
Elsevier
以上显示的是最相近的搜索结果。 查看全部搜索结果