Abstract
A bound on the ratio of differential cross sections of particle and antiparticle at finite energies has been derived using the relation between phase and modulus of the scattering amplitude which follows from analyticity, unitarity and crossing symmetry.
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Vernov, Y.S., Mnatsakanova, M.N. Bounds on the elastic scattering amplitude at finite energies. Czech J Phys 26, 105–112 (1976). https://doi.org/10.1007/BF01595101
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DOI: https://doi.org/10.1007/BF01595101