Precise Measurement of the Positive Muon Anomalous Magnetic Moment

Authors:
  • GBG. Bunce
    G. Bunce
  • RCR. M. Carey
    R. M. Carey
  • PCP. Cushman
    P. Cushman
  • GDG. T. Danby
    G. T. Danby
  • PDP. T. Debevec
    P. T. Debevec
  • MDM. Deile
    M. Deile
  • HDH. Deng
    H. Deng
  • WDW. Deninger
    W. Deninger
  • SDS. K. Dhawan
    S. K. Dhawan
  • VDV. P. Druzhinin
    V. P. Druzhinin
  • LDL. Duong
    L. Duong

Abstract
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.

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