Disagreement between standard model and experiment for muon g-2 ?

Details Disagreement between standard model and experiment for muon g-2 ? Disagreement between standard model and experiment for muon g-2 ?

2001-02-26

arxiv.org/abs/hep-ph/0102312v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

New version with corrections and a few additions. Plain TeX file, 1 figure

Scientific paper

In a recent experimental paper reporting a precise measurement of the muon anomalous magnetic moment, Brown et al. claim disagreement of their result with evaluations based on the standard model. This claim is based on comparison with a single theoretical evaluation. It is pointed out that other equally legitimate theoretical evaluations exist in the literature, with which the new experimental figure is quite compatible. The claim of indications for new physics beyond the standard model does not appear justified. In this version we take into account corrections to one of the works quoted, we include a new discussion at the end, and also minor errors are corrected. The conclusions remain unchanged.

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