Status of the Fermilab Muon (g-2) Experiment

Abstract

The New Muon $(g-2)$ Collaboration at Fermilab has proposed to measure the anomalous magnetic moment of the muon, $a_{\mu }$, a factor of four better than was done in E821 at the Brookhaven AGS, which obtained $a_{\mu }=[116592089(63)]\times 10^{-11}$ $\pm 0.54$ ppm. The last digit of $a_{\mu }$ is changed from the published value owing to a new value of the ratio of the muon-to-proton magnetic moment that has become available. At present there appears to be a difference between the Standard-Model value and the measured value, at the $\simeq 3$ standard deviation level when electron-positron annihilation data are used to determine the lowest-order hadronic piece of the Standard Model contribution. The improved experiment, along with further advances in the determination of the hadronic contribution, should clarify this difference. Because of its ability to constrain the interpretation of discoveries made at the LHC, the improved measurement will be of significant value, whatever discoveries may come from the LHC.

arXiv commentProceedings of the PhiPsi09, Oct. 13-16, 2009, Beijing, China, 4 pages 2 figures. Version 2 includes Fermilab report number, minor corrections and one additional reference

References in corpus (8)

• Final Report of the Muon E821 Anomalous Magnetic Moment Measurement at BNL
• Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm
• The Muon Anomalous Magnetic Moment: A Harbinger For "New Physics"
• Muon g-2: Review of Theory and Experiment
• The Muon Magnetic Moment and Supersymmetry
• Hadronic Light-by-Light Scattering Contribution to the Muon Anomalous Magnetic Moment
• Lepton Dipole Moments
• A Tungsten / Scintillating Fiber Electromagnetic Calorimeter Prototype for a High-Rate Muon g-2 Experiment

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