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From: fjy <email@example.com> Date (v1): Mon, 26 Feb 2001 11:44:17 GMT (6kb) Date (revised v2): Tue, 27 Feb 2001 09:19:23 GMT (6kb)
F. J. Yndurain
Comments: PlainTeX; 3 p. 1 figure. Misplrint in Eq.(4) corrected
Report-no: FTUAM 01-04
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.