HET Seminar

"Hadronic corrections to the anomalous magnetic moment of the muon"

Presented by Martin Hoferichter, University of Bern

Wednesday, December 9, 2020, 2:30 pm — https://bluejeans.com/767813754

Abstract: The longstanding discrepancy between measurement and Standard Model prediction for the anomalous magnetic moment g-2 of the muon could be considered indications that physics beyond the Standard Model is lurking in lepton dipole moments.
To decide this issue conclusively, both improved measurements and theoretical predictions are required. In view of the expected improvement by a factor of 4
at the Fermilab muon g-2 experiment, this presents a challenge to theory, with current uncertainties almost exclusively dominated by hadronic corrections
to about equal parts from hadronic vacuum polarization (HVP) and hadronic light-by-light scattering (HLbL).
In the talk, I will give an overview of the present status, concentrating on the application of dispersion relations to both HVP and HLbL.

Hosted by: Julia Gehrlein

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