Preprint
Oct 2026
Electromagnetic isospin breaking in hadronic vacuum polarization within a VMD model
One of the challenging components of modern lattice-QCD computations of the leading hadronic vacuum polarization contribution to the muon $(g-2)_\mu$ is the isospin-breaking correction due to electromagnetism. Dominated by long distances, this correction suffers from severe signal-to-noise issues and finite-volume effe...
V. Biloshytskyi
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