Masses and electric charges: gauge anomalies and anomalous thresholds

19 Sep 2019 Gomez Cesar Letschka Raoul

We work out in the forward limit and up to order $e^6$ in perturbation theory the collinear divergences. In this kinematical regime we discover new collinear divergences that we argue can be only cancelled using quantum interference with processes contributing to the gauge anomaly... (read more)

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Categories


  • HIGH ENERGY PHYSICS - THEORY
  • HIGH ENERGY PHYSICS - PHENOMENOLOGY