HARMONIC ANALYSIS IN TERMS OF THE HOMOGENEOUS LORENTZ GROUP
The research reported in this document has been sponsored in part by the Air Force Office of Scientific Research OAR through the European Office Aerospace Research, United States Air Force.
Scattering amplitudes for particles of arbitrary mass and spin are expanded in terms of homogeneous Lorentz group representations. The expansion satisfies the group theoretic O(3,1) boundary constraints in the forward elastic limit and incorporates the correct threshold factors.