Dec 15 – 16, 2022
Centre for Particle Theory, Durham
Europe/London timezone

Flavour symmetries and Standard Model tests in B->DD decays

Dec 15, 2022, 7:30 PM
2h
Ogden Centre West (OCW) Level 2

Ogden Centre West (OCW) Level 2

Department of Physics Durham University South Road Durham DH1 3LE

Speaker

Jonathan Davies (University of Manchester (GB))

Description

The discrepancy between observations, and Standard Model (SM) predictions of the Baryon Asymmetry of the Universe implies the existence of physics beyond the SM, which must include further sources of CP violation- in general with O(1) phases. LHCb has recently made several CP asymmetry measurements for B->DD decays. For such non-leptonic modes, lack of knowledge of long-distance strong interaction contributions mean these are challenging to predict. We use QCD's approximate SU(3)-flavor symmetry, systematically including breaking effects, to assess the consistency of current data with the SM and to predict yet unmeasured CP asymmetries.

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Primary author

Jonathan Davies (University of Manchester (GB))

Presentation materials