We propose an integral over the Veneziano amplitude which introduces singularities of two-body inelastic unitarity in the amplitude. The model provides a framework for a unified treatment of quantization conditions, the stability of particles, the Pomeranchuk singularity, and decay of particles by pion emission.

• Received 30 June 1969

DOI:https://doi.org/10.1103/PhysRevLett.23.900