Measurement of the Positive Muon Anomalous Magnetic Moment to 0.7 ppm
Abstract
A higher precision measurement of the anomalous g value, amu = (g-2)/2, for the positive muon has been made at the Brookhaven Alternating Gradient Synchrotron, based on data collected in the year 2000. The result amu+ = 11 659 204(7)(5) times 10-10 (0.7 ppm) is in good agreement with previous measurements and has an error about one half that of the combined previous data. The present world average experimental value is amu(exp) = 11 659 203(8) times 10-10 (0.7 ppm).
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