Hadronic light-by-light contribution to the muon anomalous magnetic moment from lattice QCD

2019/07/01 by Thomas Blum, Norman H. Christ, Blum, Thomas +11
Physics and Astronomy · #Atomic and Subatomic Physics Research #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High Energy Physics - Phenomenology (hep-ph) #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions

paper · pdf · doi:10.48550/arxiv.1907.00864

openalex publication_date 2019/07/01 · openalex created_date 2019/07/12 · openalex updated_date 2026/07/28

Abstract

We report preliminary results for the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment. Several ensembles using 2+1 flavors of Möbius domain-wall fermions, generated by the RBC/UKQCD collaborations, are employed to take the continuum and infinite volume limits of finite volume lattice QED+QCD. We find a_μ^{\rm HLbL} = (7.41±6.33)× 10^-10

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