On the nullification of threshold amplitudes
classification
✦ hep-th
keywords
amplitudesthresholdnullificationtheoryconsideredconventionalderiveddiagrammatic
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The nullification of threshold amplitudes is considered within the conventional framework of quantum field theory. The relevant Ward identities for the reduced theory are derived both on path-integral and diagrammatic levels. They are then used to prove the vanishing of tree-graph threshold amplitudes.
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