On isospin breaking in τ decays for (g−2)µ from Lattice QCD
Published Web Locationhttps://arxiv.org/pdf/1811.00508.pdf
Hadronic spectral functions of τ decays have been used in the past to provide an alternative determination of the LO Hadronic Vacuum Polarization relevant for the (g-2) of the muon. Following recent developments and results in Lattice QCD+QED calculations, we explore the possibility of studying the isospin breaking corrections of τ spectral functions for this prediction. We present preliminary results at physical pion mass based on Domain Wall Fermion ensembles generated by the RBC/UKQCD collaboration.