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

Crewther's relation in gauge-parameter dependent schemes

15 Dec 2023, 09:40
20m
Ph30 (Centre for Particle Theory)

Ph30

Centre for Particle Theory

Long Talk (20 mins) QFT: The Standard Model

Speaker

Robert Mason

Description

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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