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Spin Interacting Fields and Heavy Baryon Chiral Perturbation Theory
We analyze the consistency of the Chiral Lagrangian approach to the
description of the spin 3/2 interacting theory. We argue that to lowest order
in the 1/m expansion, the formalism leads to the appropriated constraints and
the theory is free of the so called ``off shell" ambiguities.Comment: 12 pages, Late