Fermion Decay into Spin-32Fermion Plus Spin-0 Boson

Abstract
The decay of a fermion of arbitrary spin into an unstable spin-32 fermion plus a spinless boson is treated with density-matrix techniques. The formalism described is an extension of that developed by Byers and Fenster for the decay of a fermion into spin-½ and spin-0 particles. Decay distributions are completely described for three successive decay processes. Various tests for spin and parity of the parent fermion are suggested.