Calculating the QED correction to the hadronic vacuum polarisation on the lattice

Isospin-breaking corrections to the hadron vacuum polarization component of the anomalous magnetic moment of the muon are needed to ensure the theoretical precision of \(g_\mu -2\) is below the experimental precision. We describe the status of our work calculating, using lattice QCD, the QED correct...

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Bibliographic Details
Published inarXiv.org
Main Authors Ray, Gaurav, Bazavov, Alexei, Davies, Christine, DeTar, Carleton, El-Khadra, Aida, Gottlieb, Steven, Hatton, Daniel, Jeong, Hwancheol, Kronfeld, Andreas, Lahert, Shaun, Lepage, Peter, McNeile, Craig, Simone, James, Alejandro Vaquero Avilés-Casco
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 22.12.2022
Subjects
Magnetic moments
Mathematical analysis
Polarization
Quantum chromodynamics
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Summary:Isospin-breaking corrections to the hadron vacuum polarization component of the anomalous magnetic moment of the muon are needed to ensure the theoretical precision of \(g_\mu -2\) is below the experimental precision. We describe the status of our work calculating, using lattice QCD, the QED correction to the light and strange connected hadronic vacuum polarization in a Dashen scheme. We report results using physical \(N_f=2+1+1\) HISQ ensembles at three lattice spacings and three heavier-than-light valence quark masses.
ISSN:2331-8422