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9th Plenary Workshop of the Muon g-2 Theory Initiative

Aug 3 – 7, 2026
Department of Physics, University of Connecticut
America/New_York timezone

Session

Lattice HVP

Aug 5, 2026, 10:30 AM
GS117 and GS119 (Department of Physics, University of Connecticut)

GS117 and GS119

Department of Physics, University of Connecticut

196A Auditorium Rd Unit 3046, Storrs, CT 06269

Presentation materials

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  1. 13. The Muon g-2 HVP contribution from the BMW/DMZ collaboration
    Bálint Tóth (University of Wuppertal)
    8/5/26, 10:30 AM

    We present a complete calculation of the hadronic vacuum polarization contribution to the muon magnetic anomaly reaching the sub-5‰ precision level. Our result, recently published in Nature, constitues an unprecedented validation of the Standard Model, at the given accuracy, in explaining the experimental measurement world average of $a_\mu$, agreeing with the latter at 0.5 standard...

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  2. 6. Update on $a_\mu^\text{HVP, isoQCD}$ from the ETM collaboration
    Simone Romiti (University of Bern)
    8/5/26, 11:00 AM

    In this talk we review the status of the lattice calculation of the Hadronic Vacuum Polarization (HVP) contribution to $a_\mu=(g-2)_\mu$ from the ETM collaboration.
    Our result includes the effects of the $u,d,s,c$ quarks in the isospin-symmetric limit of QCD. Our ensembles are generated with $N_f=2+1+1$ dynamical flavors through Wilson-clover twisted mass fermions, and our correlators are...

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  3. 55. Lattice HVP from FNAL/HPQCD/MILC
    Shaun Lahert (University of Utah)
    8/5/26, 11:30 AM
  4. 22. Mainz status update
    Arnau Beltran (JGU Mainz)
    8/5/26, 12:00 PM

    We present the Mainz update on the determination of the hadronic vacuum polarization contribution to the muon $g-2$. We discuss ongoing improvements to our dataset and ensemble set aimed at better constraining the chiral–continuum extrapolation, as well as our efforts toward a complete estimate of isospin-breaking effects. In addition, we report on our progress in the determination of...

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  5. 56. Lattice HVP from RBC/UKQCD
    Julian Parrino (Universität Regensburg)
    8/5/26, 2:00 PM
  6. 57. Lattice HVP with RC*
    Khai Phan (ETH Zurich)
    8/5/26, 2:30 PM
  7. 58. Lattice HVP from Aubin et al.
    Vaishakhi Moningi (University of Connecitcut)
    8/5/26, 3:00 PM
  8. 35. PACS Collaboration for Muon g-2 Precision Physics
    Kohtaroh Miura (University of Tsukuba)
    8/5/26, 4:00 PM

    I will report on the launch of the lattice QCD project by the PACS Collaboration (PACSc) for muon g-2 precision physics in collaboration with the J-PARC experiments. Using the Fugaku supercomputer, the PACSc has generated PACS10 gauge ensembles by adopting the stout-smeared O(a) improved Wilson-clover quark action and the Iwasaki gauge action at the physical pion/kaon masses on the lattice...

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