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Uniqueness of Amplitudes Satisfying the Mandelstam Representation
Phys. Rev. D 5, 970 – Published 15 February, 1972
DOI: https://doi.org/10.1103/PhysRevD.5.970
Abstract
It is shown that within the framework of the Mandelstam representation, the scattering amplitudes, if they exist, are uniquely determined by the absorptive parts over the elastic region of one channel. It is illustrated in detail with pion-pion and pion-nucleon scattering.
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