A new muon g-2 experiment at Fermilab: why, when and how

In 1956 Lee and Yang suggested that parity might be violated and, if nature were so, they further described a recipe on how to exploit that broken symmetry to measure the muon’s magnetic moment. Of course parity violation was very soon confirmed in the weak interactions and many generations of exper...

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Bibliographic Details
Published in:Hyperfine interactions 2011-11, Vol.200 (1-3), p.63-68
Main Author: Hertzog, David W.
Format: Article
Language:English
Subjects:
Atomic
Condensed Matter Physics
Hadrons
Heavy Ions
Molecular
Nuclear Physics
Optical and Plasma Physics
Physics
Physics and Astronomy
Surfaces and Interfaces
Thin Films
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Summary:In 1956 Lee and Yang suggested that parity might be violated and, if nature were so, they further described a recipe on how to exploit that broken symmetry to measure the muon’s magnetic moment. Of course parity violation was very soon confirmed in the weak interactions and many generations of experiments since then have led to a determination of μ μ to better than part-per-billion precision. A new experiment proposed for Fermilab is planned to push this precision further still, being motivated by the sensitive comparison of measurement to exquisite theory. We report on the current comparison, which exceeds three standard deviations, and the plans and promise for the future experimental effort.
ISSN:0304-3843
1572-9540
DOI:10.1007/s10751-011-0281-0