ONE-PARTICLE SINGULARITIES AND SU(3),
MARBURG UNIV (WEST GERMANY) INSTITUT FUER THEORETISCHE PHYSIK
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The equivalence of two methods of deriving relationships between coupling constants is shown. In an SU3 invariant Lagrangian field theory, it is easy to derive relations between coupling constants which enter as numerical coefficients of certain field operator products. In an alternative way, based on the asymptotic formulation of field theory, it is possible to define product of coupling constants in terms of residues in the amplitude, As, t, corresponding to known one-particle singularities.