  In this paper we prove a residue formula for intersection pairings of reduced
spaces of certain quasi-Hamiltonian G-spaces, by constructing the corresponding
Hamiltonian G-space. Our argument closely follows the methods of a 1998 paper
of the first author and F. Kirwan on intersection numbers in moduli spaces (for
G=SU(n)).
  For the more general class of compact Lie groups treated by Alekseev,
Meinrenken and Woodward, we rely on results of Szenes and Brion-Vergne
concerning diagonal bases. Our result is a close analogue of the result of
Alekseev-Meinrenken-Woodward.
