Long-Distance Window of the Hadronic Vacuum Polarization for the Muon g-2

Blum, T. and Boyle, P. A. and Bruno, M. and Chakraborty, B. and Erben, F. and Guelpers, V. and Hackl, Andreas and Hermansson-Truedsson, N. and Hill, R. C. and Izubuchi, T. and Jin, L. and Jung, C. and Lehner, Christoph and Mckeon, J. and Meyer, A. S. and Tomii, M. and Tsang, J. T. and Tuo, X.-Y. (2025) Long-Distance Window of the Hadronic Vacuum Polarization for the Muon g-2. PHYSICAL REVIEW LETTERS, 134 (20): 201901. ISSN 0031-9007, 1079-7114

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Abstract

We provide the first ab initio calculation of the Euclidean long-distance window of the isospinsymmetric light-quark connected contribution to the hadronic vacuum polarization for the muon g-2 and find a(mu)(LD'iso'conn'ud) = 411.4(4.3)(2.4) x 10(-10). We also provide the currently most precise calculation of the total isospin-symmetric light-quark connected contribution, a(mu)(iso'conn'ud) = 666.2(4.3)(2.5) x 10(-10) in the BMW20 world, which is more than 46 larger compared to the data-driven estimates of Boito et al. [Phys. Rev. D 107, 074001 (2023)] and 1.76 larger compared to the lattice QCD result of BMW20.

Item Type: Article
Uncontrolled Keywords: ANOMALOUS MAGNETIC-MOMENT
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 28 Jul 2026 09:50
Last Modified: 28 Jul 2026 09:50
URI: https://pred.uni-regensburg.de/id/eprint/67037

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