Nilpotent symmetries of a modified massive Abelian 3-form theory: Augmented superfield approach

We derive the off-shell nilpotent and absolutely anticommuting (anti-)BRST symmetry transformations for any arbitrary D-dimensional St$\ddot u$ckelberg-modified massive Abelian 3-form theory within framework of augmented version superfield approach (AVSA) to Becchi-Rouet-Stora-Tyutin (BRST) formalism where, in addition horizontality condition (HC), we exploit theoretical strength gauge invariant restriction (GIR) deduce proper gauge, associated (anti-)ghost fields, auxiliary u$ckelberg compensating field, etc. In fact, it is an elegant delicate combination HC GIR (within ambit AVSA) that crucial all our discussions derivations. One highlights present endeavor deduction a new set Curci-Ferrari (CF)-type restrictions which are not found massless where only plays important role derivation very specific CF-type restrictions. The alternative ways full latter, from various considerations, also interesting results investigation.