Blum, Thomas and Christ, Norman and Hayakawa, Masashi and Izubuchi, Taku and Jin, Luchang and Jung, Chulwoo and Lehner, Christoph and Tu, Cheng (2025) Hadronic light-by-light contribution to the muon anomaly from lattice QCD with infinite volume QED at physical pion mass. PHYSICAL REVIEW D, 111 (1): 014501. ISSN 2470-0010, 2470-0029
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The hadronic light-by-light scattering contribution to the muon anomalous magnetic moment, & eth; g - 2 & THORN;=2, is computed in the infinite volume QED framework with lattice QCD. We report a HLbL mu 1/4 12.47 & eth;1.15 & THORN;& eth;0.95 & THORN; x 10 - 10 where the first error is statistical and the second systematic. The result is mainly based on the 2 & thorn; 1 flavor M & ouml;bius domain wall fermion ensemble with inverse lattice spacing a -1 1 / 4 1.73 GeV, lattice size L 1 / 4 5.5 fm, and m pi 1 / 4 139 MeV, generated by the RBC-UKQCD collaborations. The leading systematic error of this result comes from the lattice discretization. This result is consistent with previous determinations.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | MAGNETIC-MOMENT; MESON CONTRIBUTIONS; G-2; SCATTERING; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Professor Schäfer > Group Gunnar Bali |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 02 Jun 2026 11:47 |
| Last Modified: | 02 Jun 2026 11:47 |
| URI: | https://pred.uni-regensburg.de/id/eprint/67395 |
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