Finite Z-less integral expressions for $\beta$-functions in the MS4 scheme

N. D. Lenshina, A. A. Radionov, F. V. Tkachov

The generalized minimal subtraction scheme for ultraviolet renormalization (Kuznetsov and Tkachov, 1988) is fine-tuned with applications in mind. The resulting ${\text{MS}}^4$ scheme…