Suppose that (M,E) is a compact contact manifold, and that a compact Lie group G acts on M transverse to the contact distribution E. In [14], we defined a G-transversally elliptic Dirac operator Db / , constructed using a Hermitian metric h and connection ∇ on the symplectic vector bundle E → M , whose equivariant index is well-defined as a generalized function on G, and gave a formula for its ...