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Kinematic Superstructures for Abnormal Couplings in the Dual Amplitude
Phys. Rev. D 3, 891 – Published 15 February, 1971
DOI: https://doi.org/10.1103/PhysRevD.3.891
Abstract
We present a general method for including abnormal couplings in multiparticle dual amplitudes. We construct amplitudes from a sum of terms having kinematic superstructure and dual substructure; and we show how a tensorial analysis of the kinematic superstructure in various channels determines the normality of the trajectories involved. As an illustration, we give a specific solution for abnormal couplings in the amplitude in which the above analysis is carried out in detail, and is compared with previous amplitudes and four-point amplitudes for spin-1-spin-0 scattering.
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