Dec 14 – 15, 2023
Centre for Particle Theory
Europe/London timezone

Crewther's relation in gauge-parameter dependent schemes

Dec 15, 2023, 9:40 AM
Ph30 (Centre for Particle Theory)


Centre for Particle Theory

Long Talk (20 mins) QFT: The Standard Model


Robert Mason


We discuss Crewther's relation for gauge-parameter dependent scheme and present an extension to this relation that includes terms codifying the running of the gauge parameter. We argue for the new form of this relation holding in a variety of renormalization schemes and with different gauge fixing terms as evidenced by fixed point data and renormalization group transformations. The Crewther relation structure is then presented for the minimal momentum subtraction scheme.

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