Hadronic effects in the muon anomalous magnetic moment

Research output: Contribution to journalShort surveypeer-review

2 Scopus citations

Abstract

We discuss the hadronic light-by-light scattering contribution to the muon anomalous magnetic moment, aμ=(gμ-2)/2, paying particular attention to the consistent matching of the short- and long-distance behaviors of the light-by-light scattering amplitude. Accounting for the short-distance constraints leads to an approximately 50% increase in the central value of aμLbL compared with existing estimates.

Original languageEnglish (US)
Pages (from-to)451-459
Number of pages9
JournalProgress in Particle and Nuclear Physics
Volume55
Issue number1
DOIs
StatePublished - Jul 2005
EventInternational School of Nuclear Physics 26th Course Lepton Scattering and the Structure of Hadrons and Nuclei -
Duration: Sep 16 2004Sep 24 2004

Keywords

  • Anomalous magnetic moment
  • Muon
  • Operator Product Expansion

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