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Review of recent Leading-Order Hadronic Vacuum Polarization calculation

Abstract : The leading-order hadronic contribution to the muon magnetic anomaly a_{\mu} = (g_{\mu} - 2)/2, calculated using a dispersion integral of e+e- annihilation data and tau decay data, is briefly reviewed. This contribution has the largest uncertainty to the predicted value of a_{\mu}, which differs from the experimental value by ~3.6 (2.4) standard deviations for the e+e- (tau) based analysis. New results since the last workshop and main open issues on the subject are discussed.
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Submitted on : Friday, January 3, 2014 - 12:19:43 PM
Last modification on : Tuesday, October 18, 2022 - 3:35:57 AM

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  • HAL Id : in2p3-00822832, version 1
  • ARXIV : 1312.7549



Zhen Zhang. Review of recent Leading-Order Hadronic Vacuum Polarization calculation. Photon 2013, May 2013, Paris, France. pp.047. ⟨in2p3-00822832⟩



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