Some Aspects of Trace Anomaly

Details Some Aspects of Trace Anomaly Some Aspects of Trace Anomaly

1998-09-25

arxiv.org/abs/hep-ph/9809534v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, LaTeX, Talk given at XI International Conference Problems in Quantum Field Theory, Dubna, Russia, July 13-17, 1998

Scientific paper

We review briefly some well known facts about trace anomaly and then concentrate on its 'infrared' manifestation. Among other things we show by means of dispersion relations that dilatations and translations are conflicting symmetries. We discuss the occurrence of some subtraction constants in convergent dispersion relations and illustrate it on the decay process of Higgs to two photons in the electroweak theory.

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