The more precise determination of hadronic contribution to muonic (g-2) factor and to alpha(M2z)
B. V. Geshkenbein
Abstract
The hadronic vacuum-polarization contribution to the muon anomalous magnetic moment amu(hadr) and to the value of the eleectromagnetic coupling constant at q2 = M2z are determined more precisely in connection with a new more exact value of the electronic width of rho-meson. The QCD model with infinite number of vector mesons is used. The more precisely determined results are: amu(hadr) = 678(7)*10-10, δαhadr(M2z) = 0.02786(6).
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