The NSVZ β-function for theories regularized by higher covariant derivatives: the all-loop sum of matter and ghost singularities by K. V. Stepanyantz

“…Abstract The contributions of the matter superfields and of the Faddeev-Popov ghosts to the β-function of N $$ \mathcal{N} $$ = 1 supersymmetric gauge theories defined in terms of the bare couplings are calculated in all orders in the case of using the higher covariant derivative regularization. …”
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