Phys. Rev. Lett. 92, 161802 (2004) [5 pages]Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppmReceived 10 January 2004; published 23 April 2004 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-=11 659 214(8)(3)×10-10 (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)=11 659 208(6)×10-10 (0.5 ppm). © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.92.161802
DOI:
10.1103/PhysRevLett.92.161802
PACS:
13.40.Em, 12.15.Lk, 14.60.Ef
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