| Update of g-2 of the muon and △α |
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| 作者单位： | T.Teubner,R.Liao(Department of Mathematical Sciences,University of Liverpool,Liverpool L69 3BX,U.K.);K.Hagiwara,Daisuke Nomura(Theory Center,KEK,Tsukuba,Ibaraki 305-0801,Japan);A.D.Martin(Department of Physics and Institute for Particle Physics Phenomenology,University of Durham,Durham DH1 3LE,U.K.) |
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| 摘 要： | We update our Standard Model predictions for g-2 of the muon and for the hadronic contributions to the running of the QED coupling,αh(5a)d(MZ2).Particular emphasis is put on recent changes in the hadronic contributions from new data in the 2π channel and from the energy region just below 2 GeV.
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