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Reevaluation of the hadronic contribution to the muon magnetic anomaly using new $e^{+}e^{-}\to \pi^{+}\pi^{-}$ cross section data from BABAR

Using recently published, high-precision pi+pi- cross section data by the BABAR experiment from the analysis of e+e- events with high-energy photon radiation in the initial state, we reevaluate the lowest order hadronic contribution a_mu[had,LO] to the anomalous magnetic moment of the muon. We emplo...

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Detalles Bibliográficos
Autores principales:	Davier, M., Hoecker, A., Malaescu, B., Yuan, C.Z., Zhang, Z.
Lenguaje:	eng
Publicado:	2009
Materias:	Particle Physics - Phenomenology
Acceso en línea:	https://dx.doi.org/10.1140/epjc/s10052-010-1246-1 http://cds.cern.ch/record/1203565

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