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

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arxiv 1811.00508 v1 pith:O2QQCF64 submitted 2018-11-01 hep-lat

Mattia Bruno , Taku Izubuchi , Christoph Lehner , Aaron Meyer This is my paper · ORCID
classification hep-lat
keywords breakingdecaysfunctionshadronicisospinlatticeresultsspectral
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

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 muon. Following recent developments and results in Lattice QCD+QED calculations, we explore the possibility of studying the isospin breaking corrections of $\tau$ 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.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Isospin-breaking effects in inclusive hadronic $\tau$ data for the muon $(g-2)$ from first principles

    hep-lat 2026-07 unverdicted novelty 6.0 of 10

    A lattice QCD+QED strategy is outlined for calculating isospin-breaking effects in inclusive tau decays to support high-precision HVP contributions to muon g-2.

  2. A note on momentum subtraction schemes for quark bilinears and semileptonic operators

    hep-lat 2026-06 unverdicted novelty 5.0 of 10

    Extends the RI/SMOM scheme to semi-leptonic operators via Ward-identity-protected vector currents and demonstrates equivalence to the Gorbahn et al. 2023 projectors for Wilson coefficient calculations.

  3. The anomalous magnetic moment of the muon in the Standard Model: an update

    hep-ph 2025-05 accept novelty 5.0 of 10

    The updated SM prediction for the muon anomalous magnetic moment is 116592033(62)×10^{-11}, showing no tension with the experimental average of 38(63)×10^{-11}.

  4. Hadronic vacuum polarization contribution to the muon g-2 on Euclidean windows from tau data

    hep-ph 2024-11 conditional novelty 3.0 of 10

    Tau data give an independent, lattice-compatible value for the intermediate-window hadronic vacuum polarization, disagreeing with the e+e- data-driven value that drives the muon g-2 tension.

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