High-Energy Behavior of the Scattering Amplitude in the Unphysical Region0<t<4m2

Abstract

It is proved within the framework of axiomatic field theory that the scattering amplitude must have a Regge behavior in the unphysical region $0<t<\mathrm{}4\mathrm{}{m}^2$ in the sense that the logarithmic derivative of the absorptive part is bounded by $C$ $\ln s$ for very large $s$.