On isospin breaking in $\tau$ decays for $(g-2{)}_{\mu }$ from Lattice QCD

Mattia Bruno, Taku Izubuchi, Christoph Lehner +1

Hadronic spectral functions of $\tau$ 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 mu…