Precise Measurement of the Positive Muon Anomalous Magnetic Moment
Abstract
A precise measurement of the anomalous g value, amu=(g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron. The result amu+=11 659 202(14)(6) X 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 amu(SM)=11 659 159.6(6.7) X 10-10 (0.57 ppm) and amu(exp)-amu(SM)=43(16) X 10-10 in which amu(exp) is the world average experimental value.
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