Phys. Rev. Lett. 86, 2227–2231 (2001)Precise Measurement of the Positive Muon Anomalous Magnetic MomentReceived 8 February 2001; published in the issue dated 12 March 2001 A precise measurement of the anomalous g value, aμ = (g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron. The result aμ+ = 11659202(14)(6)×10-10 (1.3 ppm) is in good agreement with previous measurements and has an error one third that of the combined previous data. The current theoretical value from the standard model is aμ(SM) = 11659159.6(6.7)×10-10 (0.57 ppm) and aμ(exp)-aμ(SM) = 43(16)×10-10 in which aμ(exp) is the world average experimental value. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.86.2227
DOI:
10.1103/PhysRevLett.86.2227
PACS:
13.40.Em, 12.15.Lk, 12.60.Jv, 14.60.Ef
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