Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm

G. W. Bennett et al. (Muon (g-2) Collaboration)
Phys. Rev. Lett. 92, 161802 – Published 23 April 2004

Abstract

The anomalous magnetic moment of the negative muon has been measured to a precision of 0.7 ppm (ppm) at the Brookhaven Alternating Gradient Synchrotron. This result is based on data collected in 2001, and is over an order of magnitude more precise than the previous measurement for the negative muon. The result aμ=11659214(8)(3)×1010 (0.7 ppm), where the first uncertainty is statistical and the second is systematic, is consistent with previous measurements of the anomaly for the positive and the negative muon. The average of the measurements of the muon anomaly is aμ(exp)=11659208(6)×1010 (0.5 ppm).

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  • Received 10 January 2004

DOI:https://doi.org/10.1103/PhysRevLett.92.161802

©2004 American Physical Society

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Vol. 92, Iss. 16 — 23 April 2004

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