New formulation of (g-2)_μhadronic contribution

Details New formulation of (g-2)_μhadronic contribution New formulation of (g-2)_μhadronic contribution

2005-06-30

arxiv.org/abs/hep-ph/0506317v2

JETP Lett. 83 (2006) 51-53, Pisma Zh.Eksp.Teor.Fiz. 83 (2006) 57-59

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 pics

Scientific paper

In frames of agreement to consider the annihilation of electron-positron pair to hadrons cross section to be including the virtual photon polarization effects a new formulation of hadron contribution to muon anomalous magnetic moment is suggested. It consists in using the experimentally observed cross section converted with the known kernels. The lowest order kernel remains to be the same but some modification of radiative corrected kernel is needed. The explicit form of this new kernel is given. We estimate the accuracy of new formulation on the level \delta a^{hadr}_\mu/a^{hadr}_\mu \sim 10^{-5}.

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