Superfield formulation of the Lagrangian BRST quantization method

TL;DR

This paper introduces a superfield formulation of the Lagrangian BRST quantization method for gauge theories, proving gauge independence of the S-matrix and deriving Ward identities in superfield form.

Contribution

It presents a novel superfield approach to Lagrangian BRST quantization, establishing gauge independence and deriving Ward identities within this framework.

Findings

Proved gauge independence of the S-matrix.

Derived Ward identities in superfield form.

Proposed a superfield-based quantization rule for gauge theories.

Abstract

Lagragian quantization rules for general gauge theories are proposed on a basis of a superfield formulation of the standard BRST symmetry. Independence of the $S$-matrix on a choice of the gauge is proved. The Ward identities in terms of superfields are derived.