Isospin Breaking Corrections to the Hadronic Vacuum Polarisation from the Lattice

Event Details
Event Date
Speaker Name/Affiliation
Vera Guelpers / University of Edinburgh
Seminar Type/Subject
Event Details & Abstracts

The anomalous magnetic moment of the muon is one of the most precisely measured quantities in particle physics and can therefore serve as a high-precision test of the Standard Model. The largest uncertainty in the Standard Model prediction comes from the hadronic sector, where the leading contribution is given by the Hadronic Vacuum Polarisation (HVP). A determination of the HVP from lattice QCD aiming at sub-percent level precision requires to include isospin breaking corrections in the computation. I will discuss how these corrections can be included in a lattice calculation and present results for the QED and strong isospin breaking corrections to the HVP at physical quark masses.