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

QED Sum Rules in B physics

Dec 15, 2023, 10:10 AM
20m
Ph30 (Centre for Particle Theory)

Ph30

Centre for Particle Theory

Long Talk (20 mins) QFT: The Standard Model

Speaker

Matthew Rowe (Edinburgh)

Description

In the era of precision phenomenology, quantum electrodynamic (QED) effects are of increasing relevance. However traditional interpolating operators used for dispersive sum rule calculations do not conserve charge. We study QED corrections to leptonic B decays in a new manifestly gauge invariant formalism paying particular attention to large collinear logarithms. Using the same techniques we also can predict heavy meson isospin mass differences in a model independent way.

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Primary author

Matthew Rowe (Edinburgh)

Co-author

Prof. Roman Zwicky (Edinburgh)

Presentation materials