Abstract
The unitarity condition is applied to the Regge representation of the scattering amplitude. This leads to a linear inhomogeneous algebraic equation for the residua of Regge poles and to a linear inhomogeneous integral equation (with Cauchy kernel) for the conical amplitude which can be solved exactly.
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Petráš, M. A class of scattering amplitudes which satisfy the unitarity condition. Czech J Phys 13, 477–481 (1963). https://doi.org/10.1007/BF01688015
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DOI: https://doi.org/10.1007/BF01688015